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-rw-r--r--plugins/org.eclipse.emf.cdo.migrator/plugin.xml6
-rw-r--r--plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/CDOTask.java103
-rw-r--r--plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/DeleteProjectTask.java (renamed from plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ProjectDeleteTask.java)6
-rw-r--r--plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ExpandTemplateTask.java172
-rw-r--r--plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/GenerateModelTask.java8
-rw-r--r--plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ImportProjectTask.java (renamed from plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ProjectImportTask.java)6
-rw-r--r--plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/MigrateModelTask.java4
-rw-r--r--plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/TransferMembersTask.java291
8 files changed, 584 insertions, 12 deletions
diff --git a/plugins/org.eclipse.emf.cdo.migrator/plugin.xml b/plugins/org.eclipse.emf.cdo.migrator/plugin.xml
index 7ddf71bc50..a721ec82f9 100644
--- a/plugins/org.eclipse.emf.cdo.migrator/plugin.xml
+++ b/plugins/org.eclipse.emf.cdo.migrator/plugin.xml
@@ -59,10 +59,12 @@
</extension>
<extension point="org.eclipse.ant.core.antTasks">
- <antTask library="ant_tasks/cdo.ant.tasks.jar" name="cdo.ProjectImport" headless="true" class="org.eclipse.emf.cdo.internal.migrator.tasks.ProjectImportTask" />
- <antTask library="ant_tasks/cdo.ant.tasks.jar" name="cdo.ProjectDelete" headless="true" class="org.eclipse.emf.cdo.internal.migrator.tasks.ProjectDeleteTask" />
+ <antTask library="ant_tasks/cdo.ant.tasks.jar" name="cdo.ImportProject" headless="true" class="org.eclipse.emf.cdo.internal.migrator.tasks.ImportProjectTask" />
+ <antTask library="ant_tasks/cdo.ant.tasks.jar" name="cdo.DeleteProject" headless="true" class="org.eclipse.emf.cdo.internal.migrator.tasks.DeleteProjectTask" />
<antTask library="ant_tasks/cdo.ant.tasks.jar" name="cdo.MigrateModel" headless="true" class="org.eclipse.emf.cdo.internal.migrator.tasks.MigrateModelTask" />
<antTask library="ant_tasks/cdo.ant.tasks.jar" name="cdo.GenerateModel" headless="true" class="org.eclipse.emf.cdo.internal.migrator.tasks.GenerateModelTask" />
+ <antTask library="ant_tasks/cdo.ant.tasks.jar" name="cdo.ExpandTemplate" headless="true" class="org.eclipse.emf.cdo.internal.migrator.tasks.ExpandTemplateTask" />
+ <antTask library="ant_tasks/cdo.ant.tasks.jar" name="cdo.TransferMembers" headless="true" class="org.eclipse.emf.cdo.internal.migrator.tasks.TransferMembersTask" />
</extension>
</plugin>
diff --git a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/CDOTask.java b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/CDOTask.java
index ed83e6d210..fa7c26366c 100644
--- a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/CDOTask.java
+++ b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/CDOTask.java
@@ -20,15 +20,38 @@ import org.eclipse.core.runtime.NullProgressMonitor;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.CharArrayReader;
+import java.io.CharArrayWriter;
+import java.io.Closeable;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Reader;
+import java.io.Writer;
+
/**
* @author Eike Stepper
*/
public abstract class CDOTask extends Task
{
+ public static final String NL = System.getProperty("line.separator");
+
+ public static final int EOF = -1;
+
protected final IWorkspace workspace = ResourcesPlugin.getWorkspace();
protected final IWorkspaceRoot root = workspace.getRoot();
+ protected boolean verbose = true;
+
+ public void setVerbose(boolean verbose)
+ {
+ this.verbose = verbose;
+ }
+
@Override
public final void execute() throws BuildException
{
@@ -62,6 +85,14 @@ public abstract class CDOTask extends Task
protected abstract void doExecute() throws Exception;
+ protected final void log(Object object)
+ {
+ if (verbose)
+ {
+ System.out.println(object);
+ }
+ }
+
protected final IProgressMonitor getProgressMonitor()
{
try
@@ -90,4 +121,76 @@ public abstract class CDOTask extends Task
throw new BuildException(message);
}
}
+
+ public static String readTextFile(File file) throws IOException
+ {
+ Reader input = new FileReader(file);
+
+ try
+ {
+ CharArrayWriter output = new CharArrayWriter();
+ copyCharacter(input, output);
+ return output.toString();
+ }
+ finally
+ {
+ closeSilent(input);
+ }
+ }
+
+ public static void writeTextFile(File file, String content) throws IOException
+ {
+ Writer output = new FileWriter(file);
+
+ try
+ {
+ CharArrayReader input = new CharArrayReader(content.toCharArray());
+ copyCharacter(input, output);
+ }
+ finally
+ {
+ closeSilent(output);
+ }
+ }
+
+ private static Exception closeSilent(Closeable closeable)
+ {
+ try
+ {
+ if (closeable != null)
+ {
+ closeable.close();
+ }
+
+ return null;
+ }
+ catch (Exception ex)
+ {
+ return ex;
+ }
+ }
+
+ private static long copyCharacter(Reader reader, Writer writer) throws IOException
+ {
+ if (!(reader instanceof BufferedReader) && !(reader instanceof CharArrayReader))
+ {
+ reader = new BufferedReader(reader);
+ }
+
+ if (!(writer instanceof BufferedWriter) && !(writer instanceof CharArrayWriter))
+ {
+ writer = new BufferedWriter(writer);
+ }
+
+ long size = 0;
+ int c;
+ while ((c = reader.read()) != EOF)
+ {
+ writer.write(c);
+ ++size;
+ }
+
+ writer.flush();
+ return size;
+ }
}
diff --git a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ProjectDeleteTask.java b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/DeleteProjectTask.java
index cce0df56a8..2f4482cee8 100644
--- a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ProjectDeleteTask.java
+++ b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/DeleteProjectTask.java
@@ -18,7 +18,7 @@ import org.apache.tools.ant.BuildException;
/**
* @author Eike Stepper
*/
-public class ProjectDeleteTask extends CDOTask
+public class DeleteProjectTask extends CDOTask
{
private String projectName;
@@ -46,11 +46,11 @@ public class ProjectDeleteTask extends CDOTask
IProject project = root.getProject(projectName);
if (!project.exists())
{
- System.out.println("Project " + projectName + " does not exist.");
+ log("Project " + projectName + " does not exist.");
return;
}
- System.out.println("Deleting project " + projectName + " ...");
+ log("Deleting project " + projectName + " ...");
project.delete(deleteContent, true, new NullProgressMonitor());
}
}
diff --git a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ExpandTemplateTask.java b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ExpandTemplateTask.java
new file mode 100644
index 0000000000..d610d68109
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ExpandTemplateTask.java
@@ -0,0 +1,172 @@
+package org.eclipse.emf.cdo.internal.migrator.tasks;
+
+import org.apache.tools.ant.BuildException;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author Eike Stepper
+ */
+public class ExpandTemplateTask extends CDOTask
+{
+ private final List<Property> properties = new ArrayList<Property>();
+
+ private File template;
+
+ private File target;
+
+ private String placeholderPrefix = "%%";
+
+ private String placeholderSuffix = "%%";
+
+ public Property createProperty()
+ {
+ Property property = new Property();
+ properties.add(property);
+ return property;
+ }
+
+ public void setTemplate(File template)
+ {
+ this.template = template;
+ }
+
+ public void setPlaceholderPrefix(String placeholderPrefix)
+ {
+ this.placeholderPrefix = placeholderPrefix;
+ }
+
+ public void setPlaceholderSuffix(String placeholderSuffix)
+ {
+ this.placeholderSuffix = placeholderSuffix;
+ }
+
+ public void setTarget(File target)
+ {
+ this.target = target;
+ }
+
+ @Override
+ protected void checkAttributes() throws BuildException
+ {
+ assertTrue("'template' must be specified.", template != null);
+ assertTrue("'template' must be point to an existing file.", template.isFile());
+ assertTrue("'target' must be specified.", target != null);
+ assertTrue("'placeholderPrefix' must be specified.", placeholderPrefix != null && placeholderPrefix.length() != 0);
+ assertTrue("'placeholderSuffix' must be specified.", placeholderSuffix != null && placeholderSuffix.length() != 0);
+
+ for (Property property : properties)
+ {
+ String name = property.getName();
+ assertTrue("'name' of property must be specified.", name != null && name.length() != 0);
+ }
+ }
+
+ @Override
+ protected void doExecute() throws Exception
+ {
+ String content = readTextFile(template);
+ Map<String, String> properties = getProperties();
+
+ String result = generate(content, properties);
+ writeTextFile(target, result);
+ }
+
+ protected String generate(String content, Map<String, String> properties) throws Exception
+ {
+ StringBuilder result = new StringBuilder(content);
+
+ for (Map.Entry<String, String> entry : properties.entrySet())
+ {
+ String placeholder = formatPlaceholder(entry.getKey());
+ String value = entry.getValue();
+ if (value == null)
+ {
+ value = "";
+ }
+
+ int placeholderLength = placeholder.length();
+ int valueLength = value.length();
+ int start = 0;
+
+ for (;;)
+ {
+ int pos = result.indexOf(placeholder, start);
+ if (pos == -1)
+ {
+ break;
+ }
+
+ result.replace(pos, pos + placeholderLength, value);
+ start = pos + valueLength;
+ }
+ }
+
+ return result.toString();
+ }
+
+ protected String formatPlaceholder(String name)
+ {
+ return placeholderPrefix + name + placeholderSuffix;
+ }
+
+ protected Map<String, String> getProperties()
+ {
+ Map<String, String> result = new LinkedHashMap<String, String>();
+
+ for (Property property : properties)
+ {
+ result.put(property.getName(), property.getValue());
+ }
+
+ return result;
+ }
+
+ /**
+ * @author Eike Stepper
+ */
+ public static final class Property
+ {
+ private String name;
+
+ private String value;
+
+ public Property()
+ {
+ }
+
+ public String getName()
+ {
+ return name;
+ }
+
+ public void setName(String name)
+ {
+ this.name = name;
+ }
+
+ public String getValue()
+ {
+ return value;
+ }
+
+ public void setValue(String value)
+ {
+ this.value = value;
+ }
+
+ @Override
+ public String toString()
+ {
+ StringBuilder builder = new StringBuilder();
+ builder.append(name);
+ builder.append(" = ");
+ builder.append(value);
+ return builder.toString();
+ }
+ }
+}
diff --git a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/GenerateModelTask.java b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/GenerateModelTask.java
index 89f420ce49..9eedadc207 100644
--- a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/GenerateModelTask.java
+++ b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/GenerateModelTask.java
@@ -19,6 +19,9 @@ import org.eclipse.emf.codegen.ecore.genmodel.generator.GenBaseGeneratorAdapter;
import org.eclipse.emf.codegen.ecore.genmodel.util.GenModelUtil;
import org.eclipse.emf.common.util.BasicMonitor;
import org.eclipse.emf.common.util.Diagnostic;
+import org.eclipse.emf.common.util.Monitor;
+
+import org.eclipse.core.runtime.NullProgressMonitor;
import org.apache.tools.ant.BuildException;
@@ -54,8 +57,9 @@ public class GenerateModelTask extends CDOTask
throw new BuildException(diagnostic.getException());
}
+ Monitor monitor = verbose ? new BasicMonitor.Printing(System.out) : BasicMonitor.toMonitor(new NullProgressMonitor());
+
Generator generator = GenModelUtil.createGenerator(genModel);
- generator.generate(genModel, GenBaseGeneratorAdapter.MODEL_PROJECT_TYPE, CodeGenEcorePlugin.INSTANCE.getString("_UI_ModelProject_name"),
- new BasicMonitor.Printing(System.out));
+ generator.generate(genModel, GenBaseGeneratorAdapter.MODEL_PROJECT_TYPE, CodeGenEcorePlugin.INSTANCE.getString("_UI_ModelProject_name"), monitor);
}
}
diff --git a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ProjectImportTask.java b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ImportProjectTask.java
index 4b23ee759d..c95b6ada2f 100644
--- a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ProjectImportTask.java
+++ b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/ImportProjectTask.java
@@ -23,7 +23,7 @@ import java.io.File;
/**
* @author Eike Stepper
*/
-public class ProjectImportTask extends CDOTask
+public class ImportProjectTask extends CDOTask
{
private String projectName;
@@ -59,11 +59,11 @@ public class ProjectImportTask extends CDOTask
throw new BuildException("Project " + projectName + " exists in different location: " + existingLocation);
}
- System.out.println("Project " + fromLocation + " is already imported.");
+ log("Project " + fromLocation + " is already imported.");
return;
}
- System.out.println("Importing project " + fromLocation + " ...");
+ log("Importing project " + fromLocation + " ...");
IPath locationPath = new Path(fromLocation.getAbsolutePath());
IProjectDescription projectDescription = workspace.newProjectDescription(projectName);
diff --git a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/MigrateModelTask.java b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/MigrateModelTask.java
index 01e24de19d..cb9033d41e 100644
--- a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/MigrateModelTask.java
+++ b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/MigrateModelTask.java
@@ -52,12 +52,12 @@ public class MigrateModelTask extends CDOTask
String msg = CDOMigratorUtil.adjustGenModel(genModel, featureDelegation);
if (msg == null)
{
- System.out.println(Messages.getString("MigrateAction_3"));
+ log(Messages.getString("MigrateAction_3"));
}
else
{
genModel.eResource().save(null);
- System.out.println(Messages.getString("MigrateAction_4") + msg);
+ log(Messages.getString("MigrateAction_4") + msg);
}
}
}
diff --git a/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/TransferMembersTask.java b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/TransferMembersTask.java
new file mode 100644
index 0000000000..30b6b0f2c1
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.migrator/src/org/eclipse/emf/cdo/internal/migrator/tasks/TransferMembersTask.java
@@ -0,0 +1,291 @@
+package org.eclipse.emf.cdo.internal.migrator.tasks;
+
+import org.apache.tools.ant.BuildException;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @author Eike Stepper
+ */
+public class TransferMembersTask extends ExpandTemplateTask
+{
+ private File sourceClass;
+
+ private String importsPlaceholder = "IMPORTS";
+
+ private String fieldsPlaceholder = "FIELDS";
+
+ private String methodsPlaceholder = "METHODS";
+
+ private boolean transferImports = true;
+
+ private final List<TransferField> transferFields = new ArrayList<TransferField>();
+
+ private final List<TransferMethod> transferMethods = new ArrayList<TransferMethod>();
+
+ public void setSourceClass(File sourceClass)
+ {
+ this.sourceClass = sourceClass;
+ }
+
+ public void setImportsPlaceholder(String importsPlaceholder)
+ {
+ this.importsPlaceholder = importsPlaceholder;
+ }
+
+ public void setFieldsPlaceholder(String fieldsPlaceholder)
+ {
+ this.fieldsPlaceholder = fieldsPlaceholder;
+ }
+
+ public void setMethodsPlaceholder(String methodsPlaceholder)
+ {
+ this.methodsPlaceholder = methodsPlaceholder;
+ }
+
+ public void setTransferImports(boolean transferImports)
+ {
+ this.transferImports = transferImports;
+ }
+
+ public TransferField createTransferField()
+ {
+ TransferField transferField = new TransferField();
+ transferFields.add(transferField);
+ return transferField;
+ }
+
+ public TransferMethod createTransferMethod()
+ {
+ TransferMethod transferMethod = new TransferMethod();
+ transferMethods.add(transferMethod);
+ return transferMethod;
+ }
+
+ @Override
+ protected void checkAttributes() throws BuildException
+ {
+ super.checkAttributes();
+ assertTrue("'sourceClass' must be specified.", sourceClass != null);
+ assertTrue("'sourceClass' must be point to an existing file.", sourceClass.isFile());
+ assertTrue("'importsPlaceholder' must be specified.", importsPlaceholder != null && importsPlaceholder.length() != 0);
+ assertTrue("'fieldsPlaceholder' must be specified.", fieldsPlaceholder != null && fieldsPlaceholder.length() != 0);
+ assertTrue("'methodsPlaceholder' must be specified.", methodsPlaceholder != null && methodsPlaceholder.length() != 0);
+
+ checkTransferMembers(transferFields);
+ checkTransferMembers(transferMethods);
+ }
+
+ private void checkTransferMembers(List<? extends TransferMember> transferMembers)
+ {
+ for (TransferMember transferMember : transferMembers)
+ {
+ String pattern = transferMember.getPattern();
+ assertTrue("'pattern' must be specified.", pattern != null && pattern.length() != 0);
+ }
+ }
+
+ @Override
+ protected String generate(String content, Map<String, String> properties) throws Exception
+ {
+ Collector collector = new Collector(sourceClass);
+
+ StringBuilder imports = new StringBuilder();
+ if (transferImports)
+ {
+ for (String name : collector.imports.keySet())
+ {
+ imports.append("import ");
+ imports.append(name);
+ imports.append(";");
+ imports.append(NL);
+ }
+ }
+
+ properties.put(importsPlaceholder, imports.toString());
+ properties.put(fieldsPlaceholder, formatMembers(collector.fields, transferFields));
+ properties.put(methodsPlaceholder, formatMembers(collector.methods, transferMethods));
+
+ return super.generate(content, properties);
+ }
+
+ private String formatMembers(Map<String, List<String>> members, List<? extends TransferMember> transferMembers)
+ {
+ if (transferMembers.isEmpty())
+ {
+ return "";
+ }
+
+ List<Pattern> patterns = new ArrayList<Pattern>();
+ for (TransferMember transferMember : transferMembers)
+ {
+ patterns.add(Pattern.compile(transferMember.getPattern()));
+ }
+
+ StringBuilder builder = new StringBuilder();
+ boolean first = true;
+
+ for (Map.Entry<String, List<String>> entry : members.entrySet())
+ {
+ String name = entry.getKey();
+ for (Pattern pattern : patterns)
+ {
+ if (pattern.matcher(name).matches())
+ {
+ List<String> texts = entry.getValue();
+ for (String text : texts)
+ {
+ if (first)
+ {
+ first = false;
+ }
+ else
+ {
+ builder.append(NL);
+ builder.append(NL);
+ }
+
+ builder.append(text);
+ }
+
+ break;
+ }
+ }
+ }
+
+ return builder.toString();
+ }
+
+ /**
+ * @author Eike Stepper
+ */
+ public static abstract class TransferMember
+ {
+ private String pattern;
+
+ public String getPattern()
+ {
+ return pattern;
+ }
+
+ public void setPattern(String pattern)
+ {
+ this.pattern = pattern;
+ }
+ }
+
+ /**
+ * @author Eike Stepper
+ */
+ public static final class TransferField extends TransferMember
+ {
+ @Override
+ public String toString()
+ {
+ StringBuilder builder = new StringBuilder();
+ builder.append("TransferField[");
+ builder.append(getPattern());
+ builder.append("]");
+ return builder.toString();
+ }
+ }
+
+ /**
+ * @author Eike Stepper
+ */
+ public static final class TransferMethod extends TransferMember
+ {
+ @Override
+ public String toString()
+ {
+ StringBuilder builder = new StringBuilder();
+ builder.append("TransferMethod[");
+ builder.append(getPattern());
+ builder.append("]");
+ return builder.toString();
+ }
+ }
+
+ /**
+ * @author Eike Stepper
+ */
+ private static final class Collector
+ {
+ private static final Pattern IMPORT_PATTERN = Pattern.compile("[\\\\t ]*import\\s+([^;]+);");
+
+ private static final Pattern FIELD_PATTERN = Pattern
+ .compile("[\\\\t ]*((public|private|protected|static|final|transient|volatile)+\\s)+[\\$_\\w\\<\\>\\[\\]]*\\s+([\\$_\\w]+)\\s*(;|=[^;]*;)");
+
+ private static final Pattern METHOD_PATTERN = Pattern.compile(
+ "[\\t ]*((public|private|protected|static|final|native|synchronized|abstract|strictfp)+\\s)+[\\$_\\w\\<\\>\\[\\]]*\\s+(([\\$_\\w]+)\\([^\\)]*\\)?)[^\\{;]*(.)");
+
+ public final Map<String, List<String>> imports = new LinkedHashMap<String, List<String>>();
+
+ public final Map<String, List<String>> fields = new LinkedHashMap<String, List<String>>();
+
+ public final Map<String, List<String>> methods = new LinkedHashMap<String, List<String>>();
+
+ public Collector(File file) throws IOException
+ {
+ String content = readTextFile(file);
+ collect(content, IMPORT_PATTERN, 1, imports);
+ collect(content, FIELD_PATTERN, 3, fields);
+ collect(content, METHOD_PATTERN, 4, methods);
+ }
+
+ private static void collect(String content, Pattern pattern, int group, Map<String, List<String>> result)
+ {
+ Matcher matcher = pattern.matcher(content);
+ while (matcher.find())
+ {
+ String text = matcher.group(0);
+ String name = matcher.group(group);
+
+ if (pattern == METHOD_PATTERN)
+ {
+ String braceOrSemicolon = matcher.group(5);
+ if (braceOrSemicolon.equals("{"))
+ {
+ int start = matcher.end();
+ int end = content.length();
+ int nesting = 1;
+
+ for (int i = start; i < end; i++)
+ {
+ char c = content.charAt(i);
+ if (c == '{')
+ {
+ ++nesting;
+ }
+ else if (c == '}')
+ {
+ if (--nesting == 0)
+ {
+ String body = content.substring(start, i + 1);
+ text += body;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ List<String> texts = result.get(name);
+ if (texts == null)
+ {
+ texts = new ArrayList<String>();
+ result.put(name, texts);
+ }
+
+ texts.add(text);
+ }
+ }
+ }
+}

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