Example usage for org.eclipse.jdt.core IClassFile getBytes

Introduction

In this page you can find the example usage for org.eclipse.jdt.core IClassFile getBytes.

Prototype

byte[] getBytes() throws JavaModelException;

Source Link

Document

Returns the bytes contained in this class file.

Usage

From source file:com.drgarbage.bytecodevisualizer.compare.ClassFileMergeViewer.java

License:Apache License

public static InputStream createStream(IJavaElement javaElement) throws CoreException {
    IClassFile classFile = (IClassFile) javaElement.getAncestor(IJavaElement.CLASS_FILE);

    InputStream stream = null;/*  w  w w . j a v a2s  .  co m*/
    if (classFile != null) {
        stream = new ByteArrayInputStream(classFile.getBytes());
    } else {
        if (javaElement.getParent().getElementType() == IJavaElement.COMPILATION_UNIT) {
            IType t = (IType) javaElement;
            IJavaProject javaProject = t.getJavaProject();
            String fullyQualifiedName = t.getFullyQualifiedName();
            String className = JavaSourceUtils.getSimpleName(fullyQualifiedName);
            String packageName = JavaSourceUtils.getPackage(fullyQualifiedName);

            String classPath[] = JavaLangUtils.computeRuntimeClassPath(javaProject);
            try {
                stream = JavaLangUtils.findResource(classPath, packageName, className);
            } catch (IOException e) {
                throw new CoreException(
                        new Status(IStatus.ERROR, BytecodeVisualizerPlugin.PLUGIN_ID, e.getMessage(), e));
            }
        } else {
            return null;
        }
    }

    return stream;
}

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From source file:com.drgarbage.visualgraphic.model.ControlFlowGraphDiagramFactory.java

License:Apache License

/**
 * Return the input stream for the given class. The result may be null, if
 * the class has not been compiled./*from  w ww .  jav  a 2 s.  c  om*/
 * 
 * @param type
 * @return input stream
 * @throws CoreException
 * @throws IOException
 */
private static InputStream getInputStream(IType type) throws CoreException, IOException {

    if (type.isBinary()) {
        IClassFile classFile = type.getClassFile();
        byte[] bytes = classFile.getBytes();
        return new ByteArrayInputStream(bytes);
    } else {
        String[] classpath = JavaRuntime.computeDefaultRuntimeClassPath(type.getJavaProject());
        String packageName = type.getPackageFragment().getElementName();

        // if(type.isAnonymous()){
        // Messages.info("Generate graph",
        // "Cannot generate graph for anonymous source class '"+
        // type.getTypeQualifiedName()
        // +"', because the name is unknown. The comiler generates the name automatically by inserting a $ with a constant for example $1, $2 ...");
        // return null;
        // }

        String name = type.getTypeQualifiedName();

        return JavaLangUtils.findResource(classpath, packageName, name);
    }
}

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From source file:edu.uci.ics.sourcerer.tools.java.extractor.eclipse.EclipseExtractor.java

License:Open Source License

private void extractClassFile(IClassFile classFile) {
    if (asmExtractor == null) {
        eclipseExtractor.extractClassFile(classFile);
    } else {/*  w  w  w. j av a2s. co m*/
        try {
            asmExtractor.extract(classFile.getBytes());
        } catch (JavaModelException e) {
            logger.log(Level.SEVERE, "Unable to get bytecode for " + classFile.getElementName(), e);
        } catch (Exception e) {
            logger.log(Level.SEVERE, "Error extracting bytecode for " + classFile.getElementName(), e);
        }
    }
}

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From source file:nz.ac.massey.cs.jquest.views.QueryView.java

License:Open Source License

private String getFullname(IJavaElement e) {
    String fullname = null;//from  ww  w .  j  a v a  2  s. c o  m
    try {
        if (e instanceof ICompilationUnit) {
            fullname = ".fullname=='" + ((ICompilationUnit) e).getTypes()[0].getFullyQualifiedName() + "'";
            return fullname;
        } else if (e instanceof IClassFile) {
            IClassFile icf = (IClassFile) e;
            IClassFileReader r = new ClassFileReader(icf.getBytes(), IClassFileReader.ALL);
            char[] name = r.getClassName();
            String classname = String.valueOf(name);
            classname = classname.replace("/", ".");
            fullname = ".fullname=='" + classname + "'";
            return fullname;
        } else if (e instanceof IPackageFragment) {
            fullname = ".namespace=='" + e.getElementName() + "'";
            return fullname;
        } else if (e instanceof IPackageFragmentRoot) {
            fullname = ".container=='" + e.getElementName() + "'";
            return fullname;
        } else {
            return null;
        }
    } catch (Exception e1) {
        e1.printStackTrace();
    }

    return null;
}

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From source file:org.jboss.tools.seam.internal.core.scanner.lib.LibraryScanner.java

License:Open Source License

private ClassFileReader getReader(IType type, IClassFile typeRoot)
        throws JavaModelException, ClassFormatException, IOException {
    String className = type.getFullyQualifiedName();
    ClassFileReader newReader = null;/*w  w w .  j  a  v a 2  s  .  c o m*/
    byte[] bs = null;

    bs = typeRoot.getBytes();
    return ClassFileReader.read(new ByteArrayInputStream(bs), className, false);
}

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