Examples of org.eclipse.jdt.core.util.IClassFileReader

org.eclipse.jdt.core.util.IClassFileReader
Description of a .class file. This class reifies the internal structure of a .class file following the JVM specifications.
Note that several changes were introduced with J2SE 1.5. Class file reader implementations should use support these new class file attributes by returning objects implementing the appropriate specialized attribute interfaces. Class file reader clients can search for these new attributes and downcast to the new interfaces as appropriate.
This interface may be implemented by clients. @since 2.0

    IBuffer classFileBuffer = this.classFile.getBuffer();
    if (classFileBuffer != null) {
      buffer.setContents(classFileBuffer.getCharacters());
    } else {
      // Disassemble
      IClassFileReader reader = ToolFactory.createDefaultClassFileReader(this.classFile, IClassFileReader.ALL);
      Disassembler disassembler = new Disassembler();
      String contents = disassembler.disassemble(reader, Util.getLineSeparator("", getJavaProject()), ClassFileBytesDisassembler.WORKING_COPY); //$NON-NLS-1$
      buffer.setContents(contents);
    }
  }

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  IBuffer classFileBuffer = this.classFile.getBuffer();
  if (classFileBuffer != null) {
    buffer.setContents(classFileBuffer.getCharacters());
  } else {
    // Disassemble
    IClassFileReader reader = ToolFactory.createDefaultClassFileReader(this.classFile, IClassFileReader.ALL);
    Disassembler disassembler = new Disassembler();
    String contents = disassembler.disassemble(reader, Util.getLineSeparator("", getJavaProject()), ClassFileBytesDisassembler.WORKING_COPY); //$NON-NLS-1$
    buffer.setContents(contents);
  }

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  private void readVersion() throws IOException {
    Map<String, byte[]> idoc3Contents = new HashMap<String, byte[]>();
    readJARFile(sapidoc3jar, idoc3Contents);
    byte[] jco3IdocContents = idoc3Contents.get(JCOIDOC_CLASSFILE_ENTRY);
    ByteArrayInputStream bais = new ByteArrayInputStream(jco3IdocContents);
    IClassFileReader classfileReader = ToolFactory.createDefaultClassFileReader(bais, IClassFileReader.ALL);
    IFieldInfo[] fieldInfos = classfileReader.getFieldInfos();
    for (int i = 0; i < fieldInfos.length; i++) {
      if (Arrays.equals(fieldInfos[i].getName(), VERSION_NAME)) {
        IConstantValueAttribute constantValueAttribute = fieldInfos[i].getConstantValueAttribute();
        if (constantValueAttribute != null) {
          IConstantPoolEntry constantPoolEntry = constantValueAttribute.getConstantValue();

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      throw new BuildException(AntAdapterMessages.getString("checkDebugAttributes.property.argument.cannot.be.null")); //$NON-NLS-1$
    }
    try {
      boolean hasDebugAttributes = false;
      if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(this.file)) {
        IClassFileReader classFileReader = ToolFactory.createDefaultClassFileReader(this.file, IClassFileReader.ALL);
        hasDebugAttributes = checkClassFile(classFileReader);
      } else {
        ZipFile jarFile = null;
        try {
          jarFile = new ZipFile(this.file);
        } catch (ZipException e) {
          throw new BuildException(AntAdapterMessages.getString("checkDebugAttributes.file.argument.must.be.a.classfile.or.a.jarfile")); //$NON-NLS-1$
        }
        for (Enumeration entries = jarFile.entries(); !hasDebugAttributes && entries.hasMoreElements(); ) {
          ZipEntry entry = (ZipEntry) entries.nextElement();
          if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(entry.getName())) {
            IClassFileReader classFileReader = ToolFactory.createDefaultClassFileReader(this.file, entry.getName(), IClassFileReader.ALL);
            hasDebugAttributes = checkClassFile(classFileReader);
          }
        }
      }
      if (hasDebugAttributes) {

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      throw new BuildException(AntAdapterMessages.getString("checkDebugAttributes.property.argument.cannot.be.null")); //$NON-NLS-1$
    }
    try {
      boolean hasDebugAttributes = false;
      if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(this.file)) {
        IClassFileReader classFileReader = ToolFactory.createDefaultClassFileReader(this.file, IClassFileReader.ALL);
        hasDebugAttributes = checkClassFile(classFileReader);
      } else {
        ZipFile jarFile = null;
        try {
          jarFile = new ZipFile(this.file);
        } catch (ZipException e) {
          throw new BuildException(AntAdapterMessages.getString("checkDebugAttributes.file.argument.must.be.a.classfile.or.a.jarfile")); //$NON-NLS-1$
        }
        for (Enumeration entries = jarFile.entries(); !hasDebugAttributes && entries.hasMoreElements(); ) {
          ZipEntry entry = (ZipEntry) entries.nextElement();
          if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(entry.getName())) {
            IClassFileReader classFileReader = ToolFactory.createDefaultClassFileReader(this.file, entry.getName(), IClassFileReader.ALL);
            hasDebugAttributes = checkClassFile(classFileReader);
          }
        }
      }
      if (hasDebugAttributes) {

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          if (CLASS_FILE_EXTENSION.equals(resource.getFullPath()
              .getFileExtension())) {
            IPath localLocation = resource.getLocation();
            if (localLocation != null) {
              String path = localLocation.toOSString();
              IClassFileReader reader = ToolFactory
                  .createDefaultClassFileReader(
                      path,
                      IClassFileReader.CLASSFILE_ATTRIBUTES);
              if (reader != null) {
                // this name is slash-delimited
                String qualifiedName = new String(
                    reader.getClassName());
                boolean hasBlockingErrors = false;
                try {
                  if (!Platform.getPreferencesService().getBoolean(
                      JDIDebugPlugin.getUniqueIdentifier(), 
                      JDIDebugModel.PREF_HCR_WITH_COMPILATION_ERRORS, 
                      true, 
                      null)) {
                    // If the user doesn't want to replace
                    // classfiles containing
                    // compilation errors, get the source
                    // file associated with
                    // the class file and query it for
                    // compilation errors
                    IJavaProject pro = JavaCore
                        .create(resource.getProject());
                    ISourceAttribute sourceAttribute = reader
                        .getSourceFileAttribute();
                    String sourceName = null;
                    if (sourceAttribute != null) {
                      sourceName = new String(
                          sourceAttribute

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Related Classes of org.eclipse.jdt.core.util.IClassFileReader

org.eclipse.jdt.core.CheckDebugAttributes

org.eclipse.jdt.internal.core.ClassFileWorkingCopy

org.eclipse.jdt.internal.debug.core.hcr.JavaHotCodeReplaceManager$ChangedClassFilesVisitor

org.fusesource.ide.imports.IDoc3Archive

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