1664

Committed 24 May 2025 05:50PM UTC coverage: 88.307% (-0.02%) from 88.328%

Build # 1664

Build Type

Pull #1312

github

Committed by

web-flow

Commit Message

Merge ab39f821e into 806759db0

Pull Request Pull Request #1312: Use NIO classes to resolve modernizer issues

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25.14

/core/mybatis-generator-core/src/main/java/org/mybatis/generator/api/MyBatisGenerator.java

/*
 *    Copyright 2006-2025 the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       https://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.mybatis.generator.api;

import static org.mybatis.generator.internal.util.ClassloaderUtility.getCustomClassloader;
import static org.mybatis.generator.internal.util.messages.Messages.getString;

import java.io.BufferedWriter;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;

import org.mybatis.generator.codegen.RootClassInfo;
import org.mybatis.generator.config.Configuration;
import org.mybatis.generator.config.Context;
import org.mybatis.generator.config.MergeConstants;
import org.mybatis.generator.exception.InvalidConfigurationException;
import org.mybatis.generator.exception.ShellException;
import org.mybatis.generator.internal.DefaultShellCallback;
import org.mybatis.generator.internal.ObjectFactory;
import org.mybatis.generator.internal.XmlFileMergerJaxp;

/**
 * This class is the main interface to MyBatis generator. A typical execution of the tool involves these steps:
 * <ol>
 * <li>Create a Configuration object. The Configuration can be the result of a parsing the XML configuration file, or it
 * can be created solely in Java.</li>
 * <li>Create a MyBatisGenerator object</li>
 * <li>Call one of the generate() methods</li>
 * </ol>
 *
 * @author Jeff Butler
 *
 * @see org.mybatis.generator.config.xml.ConfigurationParser
 */
public class MyBatisGenerator {

    private static final ProgressCallback NULL_PROGRESS_CALLBACK = new ProgressCallback() {
    };

    private final Configuration configuration;

    private final ShellCallback shellCallback;

    private final List<GeneratedJavaFile> generatedJavaFiles = new ArrayList<>();

    private final List<GeneratedXmlFile> generatedXmlFiles = new ArrayList<>();

    private final List<GeneratedKotlinFile> generatedKotlinFiles = new ArrayList<>();

    /**
     * Any kind of generated file generated by plugin methods contextGenerateAdditionalFiles.
     */
    private final List<GeneratedFile> otherGeneratedFiles = new ArrayList<>();

    private final List<String> warnings;

    private final Set<String> projects = new HashSet<>();

    /**
     * Constructs a MyBatisGenerator object.
     *
     * @param configuration
     *            The configuration for this invocation
     * @param shellCallback
     *            an instance of a ShellCallback interface. You may specify
     *            <code>null</code> in which case the DefaultShellCallback will
     *            be used.
     * @param warnings
     *            Any warnings generated during execution will be added to this
     *            list. Warnings do not affect the running of the tool, but they
     *            may affect the results. A typical warning is an unsupported
     *            data type. In that case, the column will be ignored and
     *            generation will continue. You may specify <code>null</code> if
     *            you do not want warnings returned.
     * @throws InvalidConfigurationException
     *             if the specified configuration is invalid
     */
    public MyBatisGenerator(Configuration configuration, ShellCallback shellCallback,
            List<String> warnings) throws InvalidConfigurationException {
        super();
        if (configuration == null) {
            throw new IllegalArgumentException(getString("RuntimeError.2")); //$NON-NLS-1$
        } else {
            this.configuration = configuration;
        }

        this.shellCallback = Objects.requireNonNullElseGet(shellCallback, () -> new DefaultShellCallback(false));

        this.warnings = Objects.requireNonNullElseGet(warnings, ArrayList::new);

        this.configuration.validate();
    }

    /**
     * This is the main method for generating code. This method is long-running, but progress can be provided and the
     * method can be canceled through the ProgressCallback interface. This version of the method runs all configured
     * contexts.
     *
     * @param callback
     *            an instance of the ProgressCallback interface, or <code>null</code> if you do not require progress
     *            information
     * @throws SQLException
     *             the SQL exception
     * @throws IOException
     *             Signals that an I/O exception has occurred.
     * @throws InterruptedException
     *             if the method is canceled through the ProgressCallback
     */
    public void generate(ProgressCallback callback) throws SQLException,
            IOException, InterruptedException {
        generate(callback, null, null, true);
    }

    /**
     * This is the main method for generating code. This method is long-running, but progress can be provided and the
     * method can be canceled through the ProgressCallback interface.
     *
     * @param callback
     *            an instance of the ProgressCallback interface, or <code>null</code> if you do not require progress
     *            information
     * @param contextIds
     *            a set of Strings containing context ids to run. Only the contexts with an id specified in this list
     *            will be run. If the list is null or empty, then all contexts are run.
     * @throws SQLException
     *             the SQL exception
     * @throws IOException
     *             Signals that an I/O exception has occurred.
     * @throws InterruptedException
     *             if the method is canceled through the ProgressCallback
     */
    public void generate(ProgressCallback callback, Set<String> contextIds)
            throws SQLException, IOException, InterruptedException {
        generate(callback, contextIds, null, true);
    }

    /**
     * This is the main method for generating code. This method is long-running, but progress can be provided and the
     * method can be cancelled through the ProgressCallback interface.
     *
     * @param callback
     *            an instance of the ProgressCallback interface, or <code>null</code> if you do not require progress
     *            information
     * @param contextIds
     *            a set of Strings containing context ids to run. Only the contexts with an id specified in this list
     *            will be run. If the list is null or empty, then all contexts are run.
     * @param fullyQualifiedTableNames
     *            a set of table names to generate. The elements of the set must be Strings that exactly match what's
     *            specified in the configuration. For example, if table name = "foo" and schema = "bar", then the fully
     *            qualified table name is "foo.bar". If the Set is null or empty, then all tables in the configuration
     *            will be used for code generation.
     * @throws SQLException
     *             the SQL exception
     * @throws IOException
     *             Signals that an I/O exception has occurred.
     * @throws InterruptedException
     *             if the method is canceled through the ProgressCallback
     */
    public void generate(ProgressCallback callback, Set<String> contextIds,
            Set<String> fullyQualifiedTableNames) throws SQLException,
            IOException, InterruptedException {
        generate(callback, contextIds, fullyQualifiedTableNames, true);
    }

    /**
     * This is the main method for generating code. This method is long-running, but progress can be provided and the
     * method can be cancelled through the ProgressCallback interface.
     *
     * @param callback
     *            an instance of the ProgressCallback interface, or <code>null</code> if you do not require progress
     *            information
     * @param contextIds
     *            a set of Strings containing context ids to run. Only the contexts with an id specified in this list
     *            will be run. If the list is null or empty, then all contexts are run.
     * @param fullyQualifiedTableNames
     *            a set of table names to generate. The elements of the set must be Strings that exactly match what's
     *            specified in the configuration. For example, if table name = "foo" and schema = "bar", then the fully
     *            qualified table name is "foo.bar". If the Set is null or empty, then all tables in the configuration
     *            will be used for code generation.
     * @param writeFiles
     *            if true, then the generated files will be written to disk.  If false,
     *            then the generator runs but nothing is written
     * @throws SQLException
     *             the SQL exception
     * @throws IOException
     *             Signals that an I/O exception has occurred.
     * @throws InterruptedException
     *             if the method is canceled through the ProgressCallback
     */
    public void generate(ProgressCallback callback, Set<String> contextIds,
            Set<String> fullyQualifiedTableNames, boolean writeFiles) throws SQLException,
            IOException, InterruptedException {

        if (callback == null) {
            callback = NULL_PROGRESS_CALLBACK;
        }

        generatedJavaFiles.clear();
        generatedXmlFiles.clear();
        ObjectFactory.reset();
        RootClassInfo.reset();

        // calculate the contexts to run
        List<Context> contextsToRun;
        if (contextIds == null || contextIds.isEmpty()) {
            contextsToRun = configuration.getContexts();
        } else {
            contextsToRun = new ArrayList<>();
            for (Context context : configuration.getContexts()) {
                if (contextIds.contains(context.getId())) {
                    contextsToRun.add(context);
                }
            }
        }

        // setup custom classloader if required
        if (!configuration.getClassPathEntries().isEmpty()) {
            ClassLoader classLoader = getCustomClassloader(configuration.getClassPathEntries());
            ObjectFactory.addExternalClassLoader(classLoader);
        }

        // now run the introspections...
        int totalSteps = 0;
        for (Context context : contextsToRun) {
            totalSteps += context.getIntrospectionSteps();
        }
        callback.introspectionStarted(totalSteps);

        for (Context context : contextsToRun) {
            context.introspectTables(callback, warnings,
                    fullyQualifiedTableNames);
        }

        // now run the generates
        totalSteps = 0;
        for (Context context : contextsToRun) {
            totalSteps += context.getGenerationSteps();
        }
        callback.generationStarted(totalSteps);

        for (Context context : contextsToRun) {
            context.generateFiles(callback, generatedJavaFiles,
                    generatedXmlFiles, generatedKotlinFiles, otherGeneratedFiles, warnings);
        }

        // now save the files
        if (writeFiles) {
            callback.saveStarted(generatedXmlFiles.size()
                    + generatedJavaFiles.size());

            for (GeneratedXmlFile gxf : generatedXmlFiles) {
                projects.add(gxf.getTargetProject());
                writeGeneratedXmlFile(gxf, callback);
            }

            for (GeneratedJavaFile gjf : generatedJavaFiles) {
                projects.add(gjf.getTargetProject());
                writeGeneratedJavaFile(gjf, callback);
            }

            for (GeneratedKotlinFile gkf : generatedKotlinFiles) {
                projects.add(gkf.getTargetProject());
                writeGeneratedFile(gkf, callback);
            }

            for (GeneratedFile gf : otherGeneratedFiles) {
                projects.add(gf.getTargetProject());
                writeGeneratedFile(gf, callback);
            }

            for (String project : projects) {
                shellCallback.refreshProject(project);
            }
        }

        callback.done();
    }

    private void writeGeneratedJavaFile(GeneratedJavaFile gjf, ProgressCallback callback)
            throws InterruptedException, IOException {
        Path targetFile;
        String source;
        try {
            File directory = shellCallback.getDirectory(gjf
                    .getTargetProject(), gjf.getTargetPackage());
            targetFile = directory.toPath().resolve(gjf.getFileName());
            if (Files.exists(targetFile)) {
                if (shellCallback.isMergeSupported()) {
                    source = shellCallback.mergeJavaFile(gjf
                            .getFormattedContent(), targetFile.toFile(),
                            MergeConstants.getOldElementTags(),
                            gjf.getFileEncoding());
                } else if (shellCallback.isOverwriteEnabled()) {
                    source = gjf.getFormattedContent();
                    warnings.add(getString("Warning.11", //$NON-NLS-1$
                            targetFile.toFile().getAbsolutePath()));
                } else {
                    source = gjf.getFormattedContent();
                    targetFile = getUniqueFileName(directory, gjf
                            .getFileName());
                    warnings.add(getString(
                            "Warning.2", targetFile.toFile().getAbsolutePath())); //$NON-NLS-1$
                }
            } else {
                source = gjf.getFormattedContent();
            }

            callback.checkCancel();
            callback.startTask(getString(
                    "Progress.15", targetFile.toString())); //$NON-NLS-1$
            writeFile(targetFile.toFile(), source, gjf.getFileEncoding());
        } catch (ShellException e) {
            warnings.add(e.getMessage());
        }
    }

    private void writeGeneratedFile(GeneratedFile gf, ProgressCallback callback)
            throws InterruptedException, IOException {
        Path targetFile;
        String source;
        try {
            File directory = shellCallback.getDirectory(gf
                    .getTargetProject(), gf.getTargetPackage());
            targetFile = directory.toPath().resolve(gf.getFileName());
            if (Files.exists(targetFile)) {
                if (shellCallback.isOverwriteEnabled()) {
                    source = gf.getFormattedContent();
                    warnings.add(getString("Warning.11", //$NON-NLS-1$
                            targetFile.toFile().getAbsolutePath()));
                } else {
                    source = gf.getFormattedContent();
                    targetFile = getUniqueFileName(directory, gf
                            .getFileName());
                    warnings.add(getString(
                            "Warning.2", targetFile.toFile().getAbsolutePath())); //$NON-NLS-1$
                }
            } else {
                source = gf.getFormattedContent();
            }

            callback.checkCancel();
            callback.startTask(getString(
                    "Progress.15", targetFile.toString())); //$NON-NLS-1$
            writeFile(targetFile.toFile(), source, gf.getFileEncoding());
        } catch (ShellException e) {
            warnings.add(e.getMessage());
        }
    }

    private void writeGeneratedXmlFile(GeneratedXmlFile gxf, ProgressCallback callback)
            throws InterruptedException, IOException {
        Path targetFile;
        String source;
        try {
            File directory = shellCallback.getDirectory(gxf
                    .getTargetProject(), gxf.getTargetPackage());
            targetFile = directory.toPath().resolve(gxf.getFileName());
            if (Files.exists(targetFile)) {
                if (gxf.isMergeable()) {
                    source = XmlFileMergerJaxp.getMergedSource(gxf,
                            targetFile.toFile());
                } else if (shellCallback.isOverwriteEnabled()) {
                    source = gxf.getFormattedContent();
                    warnings.add(getString("Warning.11", //$NON-NLS-1$
                            targetFile.toFile().getAbsolutePath()));
                } else {
                    source = gxf.getFormattedContent();
                    targetFile = getUniqueFileName(directory, gxf
                            .getFileName());
                    warnings.add(getString(
                            "Warning.2", targetFile.toFile().getAbsolutePath())); //$NON-NLS-1$
                }
            } else {
                source = gxf.getFormattedContent();
            }

            callback.checkCancel();
            callback.startTask(getString(
                    "Progress.15", targetFile.toString())); //$NON-NLS-1$
            writeFile(targetFile.toFile(), source, gxf.getFileEncoding());
        } catch (ShellException e) {
            warnings.add(e.getMessage());
        }
    }

    /**
     * Writes, or overwrites, the contents of the specified file.
     *
     * @param file
     *            the file
     * @param content
     *            the content
     * @param fileEncoding
     *            the file encoding
     * @throws IOException
     *             Signals that an I/O exception has occurred.
     */
    private void writeFile(File file, String content, String fileEncoding) throws IOException {
        try (OutputStream fos = Files.newOutputStream(file.toPath(), StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) {
            OutputStreamWriter osw;
            if (fileEncoding == null) {
                osw = new OutputStreamWriter(fos);
            } else {
                osw = new OutputStreamWriter(fos, Charset.forName(fileEncoding));
            }

            try (BufferedWriter bw = new BufferedWriter(osw)) {
                bw.write(content);
            }
        }
    }

    /**
     * Gets the unique file name.
     *
     * @param directory
     *            the directory
     * @param fileName
     *            the file name
     * @return the unique file name
     */
    private Path getUniqueFileName(File directory, String fileName) {
        Path answer = null;

        // try up to 1000 times to generate a unique file name
        StringBuilder sb = new StringBuilder();
        for (int i = 1; i < 1000; i++) {
            sb.setLength(0);
            sb.append(fileName);
            sb.append('.');
            sb.append(i);

            Path testFile = directory.toPath().resolve(sb.toString());
            if (Files.notExists(testFile)) {
                answer = testFile;
                break;
            }
        }

        if (answer == null) {
            throw new RuntimeException(getString(
                    "RuntimeError.3", directory.getAbsolutePath())); //$NON-NLS-1$
        }

        return answer;
    }

    /**
     * Returns the list of generated Java files after a call to one of the generate methods.
     * This is useful if you prefer to process the generated files yourself and do not want
     * the generator to write them to disk.
     *
     * @return the list of generated Java files
     */
    public List<GeneratedJavaFile> getGeneratedJavaFiles() {
        return generatedJavaFiles;
    }

    /**
     * Returns the list of generated Kotlin files after a call to one of the generate methods.
     * This is useful if you prefer to process the generated files yourself and do not want
     * the generator to write them to disk.
     *
     * @return the list of generated Kotlin files
     */
    public List<GeneratedKotlinFile> getGeneratedKotlinFiles() {
        return generatedKotlinFiles;
    }

    /**
     * Returns the list of generated XML files after a call to one of the generate methods.
     * This is useful if you prefer to process the generated files yourself and do not want
     * the generator to write them to disk.
     *
     * @return the list of generated XML files
     */
    public List<GeneratedXmlFile> getGeneratedXmlFiles() {
        return generatedXmlFiles;
    }
}

1	/*
2	* Copyright 2006-2025 the original author or authors.
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* https://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package org.mybatis.generator.api;
17
18	import static org.mybatis.generator.internal.util.ClassloaderUtility.getCustomClassloader;
19	import static org.mybatis.generator.internal.util.messages.Messages.getString;
20
21	import java.io.BufferedWriter;
22	import java.io.File;
23	import java.io.IOException;
24	import java.io.OutputStream;
25	import java.io.OutputStreamWriter;
26	import java.nio.charset.Charset;
27	import java.nio.file.Files;
28	import java.nio.file.Path;
29	import java.nio.file.StandardOpenOption;
30	import java.sql.SQLException;
31	import java.util.ArrayList;
32	import java.util.HashSet;
33	import java.util.List;
34	import java.util.Objects;
35	import java.util.Set;
36
37	import org.mybatis.generator.codegen.RootClassInfo;
38	import org.mybatis.generator.config.Configuration;
39	import org.mybatis.generator.config.Context;
40	import org.mybatis.generator.config.MergeConstants;
41	import org.mybatis.generator.exception.InvalidConfigurationException;
42	import org.mybatis.generator.exception.ShellException;
43	import org.mybatis.generator.internal.DefaultShellCallback;
44	import org.mybatis.generator.internal.ObjectFactory;
45	import org.mybatis.generator.internal.XmlFileMergerJaxp;
46
47	/**
48	* This class is the main interface to MyBatis generator. A typical execution of the tool involves these steps:
49	* <ol>
50	* <li>Create a Configuration object. The Configuration can be the result of a parsing the XML configuration file, or it
51	* can be created solely in Java.</li>
52	* <li>Create a MyBatisGenerator object</li>
53	* <li>Call one of the generate() methods</li>
54	* </ol>
55	*
56	* @author Jeff Butler
57	*
58	* @see org.mybatis.generator.config.xml.ConfigurationParser
59	*/
60	public class MyBatisGenerator {
61
62	private static final ProgressCallback NULL_PROGRESS_CALLBACK = new ProgressCallback() {	1✔
63	};
64
65	private final Configuration configuration;
66
67	private final ShellCallback shellCallback;
68
69	private final List<GeneratedJavaFile> generatedJavaFiles = new ArrayList<>();	1✔
70
71	private final List<GeneratedXmlFile> generatedXmlFiles = new ArrayList<>();	1✔
72
73	private final List<GeneratedKotlinFile> generatedKotlinFiles = new ArrayList<>();	1✔
74
75	/**
76	* Any kind of generated file generated by plugin methods contextGenerateAdditionalFiles.
77	*/
78	private final List<GeneratedFile> otherGeneratedFiles = new ArrayList<>();	1✔
79
80	private final List<String> warnings;
81
82	private final Set<String> projects = new HashSet<>();	1✔
83
84	/**
85	* Constructs a MyBatisGenerator object.
86	*
87	* @param configuration
88	* The configuration for this invocation
89	* @param shellCallback
90	* an instance of a ShellCallback interface. You may specify
91	* <code>null</code> in which case the DefaultShellCallback will
92	* be used.
93	* @param warnings
94	* Any warnings generated during execution will be added to this
95	* list. Warnings do not affect the running of the tool, but they
96	* may affect the results. A typical warning is an unsupported
97	* data type. In that case, the column will be ignored and
98	* generation will continue. You may specify <code>null</code> if
99	* you do not want warnings returned.
100	* @throws InvalidConfigurationException
101	* if the specified configuration is invalid
102	*/
103	public MyBatisGenerator(Configuration configuration, ShellCallback shellCallback,
104	List<String> warnings) throws InvalidConfigurationException {
105	super();	1✔
106	if (configuration == null) {	1!
107	throw new IllegalArgumentException(getString("RuntimeError.2")); //$NON-NLS-1$	×
108	} else {
109	this.configuration = configuration;	1✔
110	}
111
112	this.shellCallback = Objects.requireNonNullElseGet(shellCallback, () -> new DefaultShellCallback(false));	1✔
113
114	this.warnings = Objects.requireNonNullElseGet(warnings, ArrayList::new);	1✔
115
116	this.configuration.validate();	1✔
117	}	1✔
118
119	/**
120	* This is the main method for generating code. This method is long-running, but progress can be provided and the
121	* method can be canceled through the ProgressCallback interface. This version of the method runs all configured
122	* contexts.
123	*
124	* @param callback
125	* an instance of the ProgressCallback interface, or <code>null</code> if you do not require progress
126	* information
127	* @throws SQLException
128	* the SQL exception
129	* @throws IOException
130	* Signals that an I/O exception has occurred.
131	* @throws InterruptedException
132	* if the method is canceled through the ProgressCallback
133	*/
134	public void generate(ProgressCallback callback) throws SQLException,
135	IOException, InterruptedException {
136	generate(callback, null, null, true);	×
137	}	×
138
139	/**
140	* This is the main method for generating code. This method is long-running, but progress can be provided and the
141	* method can be canceled through the ProgressCallback interface.
142	*
143	* @param callback
144	* an instance of the ProgressCallback interface, or <code>null</code> if you do not require progress
145	* information
146	* @param contextIds
147	* a set of Strings containing context ids to run. Only the contexts with an id specified in this list
148	* will be run. If the list is null or empty, then all contexts are run.
149	* @throws SQLException
150	* the SQL exception
151	* @throws IOException
152	* Signals that an I/O exception has occurred.
153	* @throws InterruptedException
154	* if the method is canceled through the ProgressCallback
155	*/
156	public void generate(ProgressCallback callback, Set<String> contextIds)
157	throws SQLException, IOException, InterruptedException {
158	generate(callback, contextIds, null, true);	×
159	}	×
160
161	/**
162	* This is the main method for generating code. This method is long-running, but progress can be provided and the
163	* method can be cancelled through the ProgressCallback interface.
164	*
165	* @param callback
166	* an instance of the ProgressCallback interface, or <code>null</code> if you do not require progress
167	* information
168	* @param contextIds
169	* a set of Strings containing context ids to run. Only the contexts with an id specified in this list
170	* will be run. If the list is null or empty, then all contexts are run.
171	* @param fullyQualifiedTableNames
172	* a set of table names to generate. The elements of the set must be Strings that exactly match what's
173	* specified in the configuration. For example, if table name = "foo" and schema = "bar", then the fully
174	* qualified table name is "foo.bar". If the Set is null or empty, then all tables in the configuration
175	* will be used for code generation.
176	* @throws SQLException
177	* the SQL exception
178	* @throws IOException
179	* Signals that an I/O exception has occurred.
180	* @throws InterruptedException
181	* if the method is canceled through the ProgressCallback
182	*/
183	public void generate(ProgressCallback callback, Set<String> contextIds,
184	Set<String> fullyQualifiedTableNames) throws SQLException,
185	IOException, InterruptedException {
186	generate(callback, contextIds, fullyQualifiedTableNames, true);	×
187	}	×
188
189	/**
190	* This is the main method for generating code. This method is long-running, but progress can be provided and the
191	* method can be cancelled through the ProgressCallback interface.
192	*
193	* @param callback
194	* an instance of the ProgressCallback interface, or <code>null</code> if you do not require progress
195	* information
196	* @param contextIds
197	* a set of Strings containing context ids to run. Only the contexts with an id specified in this list
198	* will be run. If the list is null or empty, then all contexts are run.
199	* @param fullyQualifiedTableNames
200	* a set of table names to generate. The elements of the set must be Strings that exactly match what's
201	* specified in the configuration. For example, if table name = "foo" and schema = "bar", then the fully
202	* qualified table name is "foo.bar". If the Set is null or empty, then all tables in the configuration
203	* will be used for code generation.
204	* @param writeFiles
205	* if true, then the generated files will be written to disk. If false,
206	* then the generator runs but nothing is written
207	* @throws SQLException
208	* the SQL exception
209	* @throws IOException
210	* Signals that an I/O exception has occurred.
211	* @throws InterruptedException
212	* if the method is canceled through the ProgressCallback
213	*/
214	public void generate(ProgressCallback callback, Set<String> contextIds,
215	Set<String> fullyQualifiedTableNames, boolean writeFiles) throws SQLException,
216	IOException, InterruptedException {
217
218	if (callback == null) {	1!
219	callback = NULL_PROGRESS_CALLBACK;	1✔
220	}
221
222	generatedJavaFiles.clear();	1✔
223	generatedXmlFiles.clear();	1✔
224	ObjectFactory.reset();	1✔
225	RootClassInfo.reset();	1✔
226
227	// calculate the contexts to run
228	List<Context> contextsToRun;
229	if (contextIds == null \|\| contextIds.isEmpty()) {	1!
230	contextsToRun = configuration.getContexts();	1✔
231	} else {
232	contextsToRun = new ArrayList<>();	×
233	for (Context context : configuration.getContexts()) {	×
234	if (contextIds.contains(context.getId())) {	×
235	contextsToRun.add(context);	×
236	}
237	}	×
238	}
239
240	// setup custom classloader if required
241	if (!configuration.getClassPathEntries().isEmpty()) {	1!
242	ClassLoader classLoader = getCustomClassloader(configuration.getClassPathEntries());	×
243	ObjectFactory.addExternalClassLoader(classLoader);	×
244	}
245
246	// now run the introspections...
247	int totalSteps = 0;	1✔
248	for (Context context : contextsToRun) {	1✔
249	totalSteps += context.getIntrospectionSteps();	1✔
250	}	1✔
251	callback.introspectionStarted(totalSteps);	1✔
252
253	for (Context context : contextsToRun) {	1✔
254	context.introspectTables(callback, warnings,	1✔
255	fullyQualifiedTableNames);
256	}	1✔
257
258	// now run the generates
259	totalSteps = 0;	1✔
260	for (Context context : contextsToRun) {	1✔
261	totalSteps += context.getGenerationSteps();	1✔
262	}	1✔
263	callback.generationStarted(totalSteps);	1✔
264
265	for (Context context : contextsToRun) {	1✔
266	context.generateFiles(callback, generatedJavaFiles,	1✔
267	generatedXmlFiles, generatedKotlinFiles, otherGeneratedFiles, warnings);
268	}	1✔
269
270	// now save the files
271	if (writeFiles) {	1!
272	callback.saveStarted(generatedXmlFiles.size()	×
273	+ generatedJavaFiles.size());	×
274
275	for (GeneratedXmlFile gxf : generatedXmlFiles) {	×
276	projects.add(gxf.getTargetProject());	×
277	writeGeneratedXmlFile(gxf, callback);	×
278	}	×
279
280	for (GeneratedJavaFile gjf : generatedJavaFiles) {	×
281	projects.add(gjf.getTargetProject());	×
282	writeGeneratedJavaFile(gjf, callback);	×
283	}	×
284
285	for (GeneratedKotlinFile gkf : generatedKotlinFiles) {	×
286	projects.add(gkf.getTargetProject());	×
287	writeGeneratedFile(gkf, callback);	×
288	}	×
289
290	for (GeneratedFile gf : otherGeneratedFiles) {	×
291	projects.add(gf.getTargetProject());	×
292	writeGeneratedFile(gf, callback);	×
293	}	×
294
295	for (String project : projects) {	×
296	shellCallback.refreshProject(project);	×
297	}	×
298	}
299
300	callback.done();	1✔
301	}	1✔
302
303	private void writeGeneratedJavaFile(GeneratedJavaFile gjf, ProgressCallback callback)
304	throws InterruptedException, IOException {
305	Path targetFile;
306	String source;
307	try {
308	File directory = shellCallback.getDirectory(gjf	×
309	.getTargetProject(), gjf.getTargetPackage());	×
NEW 310	targetFile = directory.toPath().resolve(gjf.getFileName());	×
NEW 311	if (Files.exists(targetFile)) {	×
312	if (shellCallback.isMergeSupported()) {	×
313	source = shellCallback.mergeJavaFile(gjf	×
NEW 314	.getFormattedContent(), targetFile.toFile(),	×
315	MergeConstants.getOldElementTags(),	×
316	gjf.getFileEncoding());	×
317	} else if (shellCallback.isOverwriteEnabled()) {	×
318	source = gjf.getFormattedContent();	×
319	warnings.add(getString("Warning.11", //$NON-NLS-1$	×
NEW 320	targetFile.toFile().getAbsolutePath()));	×
321	} else {
322	source = gjf.getFormattedContent();	×
323	targetFile = getUniqueFileName(directory, gjf	×
324	.getFileName());	×
325	warnings.add(getString(	×
NEW 326	"Warning.2", targetFile.toFile().getAbsolutePath())); //$NON-NLS-1$	×
327	}
328	} else {
329	source = gjf.getFormattedContent();	×
330	}
331
332	callback.checkCancel();	×
333	callback.startTask(getString(	×
NEW 334	"Progress.15", targetFile.toString())); //$NON-NLS-1$	×
NEW 335	writeFile(targetFile.toFile(), source, gjf.getFileEncoding());	×
336	} catch (ShellException e) {	×
337	warnings.add(e.getMessage());	×
338	}	×
339	}	×
340
341	private void writeGeneratedFile(GeneratedFile gf, ProgressCallback callback)
342	throws InterruptedException, IOException {
343	Path targetFile;
344	String source;
345	try {
346	File directory = shellCallback.getDirectory(gf	×
347	.getTargetProject(), gf.getTargetPackage());	×
NEW 348	targetFile = directory.toPath().resolve(gf.getFileName());	×
NEW 349	if (Files.exists(targetFile)) {	×
350	if (shellCallback.isOverwriteEnabled()) {	×
351	source = gf.getFormattedContent();	×
352	warnings.add(getString("Warning.11", //$NON-NLS-1$	×
NEW 353	targetFile.toFile().getAbsolutePath()));	×
354	} else {
355	source = gf.getFormattedContent();	×
356	targetFile = getUniqueFileName(directory, gf	×
357	.getFileName());	×
358	warnings.add(getString(	×
NEW 359	"Warning.2", targetFile.toFile().getAbsolutePath())); //$NON-NLS-1$	×
360	}
361	} else {
362	source = gf.getFormattedContent();	×
363	}
364
365	callback.checkCancel();	×
366	callback.startTask(getString(	×
NEW 367	"Progress.15", targetFile.toString())); //$NON-NLS-1$	×
NEW 368	writeFile(targetFile.toFile(), source, gf.getFileEncoding());	×
369	} catch (ShellException e) {	×
370	warnings.add(e.getMessage());	×
371	}	×
372	}	×
373
374	private void writeGeneratedXmlFile(GeneratedXmlFile gxf, ProgressCallback callback)
375	throws InterruptedException, IOException {
376	Path targetFile;
377	String source;
378	try {
379	File directory = shellCallback.getDirectory(gxf	×
380	.getTargetProject(), gxf.getTargetPackage());	×
NEW 381	targetFile = directory.toPath().resolve(gxf.getFileName());	×
NEW 382	if (Files.exists(targetFile)) {	×
383	if (gxf.isMergeable()) {	×
384	source = XmlFileMergerJaxp.getMergedSource(gxf,	×
NEW 385	targetFile.toFile());	×
386	} else if (shellCallback.isOverwriteEnabled()) {	×
387	source = gxf.getFormattedContent();	×
388	warnings.add(getString("Warning.11", //$NON-NLS-1$	×
NEW 389	targetFile.toFile().getAbsolutePath()));	×
390	} else {
391	source = gxf.getFormattedContent();	×
392	targetFile = getUniqueFileName(directory, gxf	×
393	.getFileName());	×
394	warnings.add(getString(	×
NEW 395	"Warning.2", targetFile.toFile().getAbsolutePath())); //$NON-NLS-1$	×
396	}
397	} else {
398	source = gxf.getFormattedContent();	×
399	}
400
401	callback.checkCancel();	×
402	callback.startTask(getString(	×
NEW 403	"Progress.15", targetFile.toString())); //$NON-NLS-1$	×
NEW 404	writeFile(targetFile.toFile(), source, gxf.getFileEncoding());	×
405	} catch (ShellException e) {	×
406	warnings.add(e.getMessage());	×
407	}	×
408	}	×
409
410	/**
411	* Writes, or overwrites, the contents of the specified file.
412	*
413	* @param file
414	* the file
415	* @param content
416	* the content
417	* @param fileEncoding
418	* the file encoding
419	* @throws IOException
420	* Signals that an I/O exception has occurred.
421	*/
422	private void writeFile(File file, String content, String fileEncoding) throws IOException {
NEW 423	try (OutputStream fos = Files.newOutputStream(file.toPath(), StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) {	×
424	OutputStreamWriter osw;
425	if (fileEncoding == null) {	×
426	osw = new OutputStreamWriter(fos);	×
427	} else {
428	osw = new OutputStreamWriter(fos, Charset.forName(fileEncoding));	×
429	}
430
431	try (BufferedWriter bw = new BufferedWriter(osw)) {	×
432	bw.write(content);	×
433	}
434	}
435	}	×
436
437	/**
438	* Gets the unique file name.
439	*
440	* @param directory
441	* the directory
442	* @param fileName
443	* the file name
444	* @return the unique file name
445	*/
446	private Path getUniqueFileName(File directory, String fileName) {
NEW 447	Path answer = null;	×
448
449	// try up to 1000 times to generate a unique file name
450	StringBuilder sb = new StringBuilder();	×
451	for (int i = 1; i < 1000; i++) {	×
452	sb.setLength(0);	×
453	sb.append(fileName);	×
454	sb.append('.');	×
455	sb.append(i);	×
456
NEW 457	Path testFile = directory.toPath().resolve(sb.toString());	×
NEW 458	if (Files.notExists(testFile)) {	×
459	answer = testFile;	×
460	break;	×
461	}
462	}
463
464	if (answer == null) {	×
465	throw new RuntimeException(getString(	×
466	"RuntimeError.3", directory.getAbsolutePath())); //$NON-NLS-1$	×
467	}
468
469	return answer;	×
470	}
471
472	/**
473	* Returns the list of generated Java files after a call to one of the generate methods.
474	* This is useful if you prefer to process the generated files yourself and do not want
475	* the generator to write them to disk.
476	*
477	* @return the list of generated Java files
478	*/
479	public List<GeneratedJavaFile> getGeneratedJavaFiles() {
480	return generatedJavaFiles;	1✔
481	}
482
483	/**
484	* Returns the list of generated Kotlin files after a call to one of the generate methods.
485	* This is useful if you prefer to process the generated files yourself and do not want
486	* the generator to write them to disk.
487	*
488	* @return the list of generated Kotlin files
489	*/
490	public List<GeneratedKotlinFile> getGeneratedKotlinFiles() {
491	return generatedKotlinFiles;	1✔
492	}
493
494	/**
495	* Returns the list of generated XML files after a call to one of the generate methods.
496	* This is useful if you prefer to process the generated files yourself and do not want
497	* the generator to write them to disk.
498	*
499	* @return the list of generated XML files
500	*/
501	public List<GeneratedXmlFile> getGeneratedXmlFiles() {
502	return generatedXmlFiles;	1✔
503	}
504	}

mybatis / generator / 1664

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