Example usage for org.eclipse.jdt.internal.core.util Util newClassFileReader

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core.util Util newClassFileReader.

Prototype

public static ClassFileReader newClassFileReader(IResource resource)
            throws CoreException, ClassFormatException, IOException 

Source Link

Usage

From source file:com.codenvy.ide.ext.java.server.internal.core.builder.ClasspathDirectory.java

License:Open Source License

public NameEnvironmentAnswer findClass(String binaryFileName, String qualifiedPackageName,
        String qualifiedBinaryFileName) {
    if (!doesFileExist(binaryFileName, qualifiedPackageName, qualifiedBinaryFileName))
        return null; // most common case

    ClassFileReader reader = null;//from  w w  w  .  j a v  a2  s. c o  m
    try {
        reader = Util.newClassFileReader(this.binaryFolder.getFile(new Path(qualifiedBinaryFileName)));
    } catch (CoreException e) {
        return null;
    } catch (ClassFormatException e) {
        return null;
    } catch (IOException e) {
        return null;
    }
    if (reader != null) {
        if (this.accessRuleSet == null)
            return new NameEnvironmentAnswer(reader, null);
        String fileNameWithoutExtension = qualifiedBinaryFileName.substring(0,
                qualifiedBinaryFileName.length() - SuffixConstants.SUFFIX_CLASS.length);
        return new NameEnvironmentAnswer(reader,
                this.accessRuleSet.getViolatedRestriction(fileNameWithoutExtension.toCharArray()));
    }
    return null;
}

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From source file:com.codenvy.ide.ext.java.server.internal.core.search.matching.MatchLocator.java

License:Open Source License

public static ClassFileReader classFileReader(IType type) {
    IClassFile classFile = type.getClassFile();
    JavaModelManager manager = JavaModelManager.getJavaModelManager();
    if (classFile.isOpen())
        return (ClassFileReader) manager.getInfo(type);

    PackageFragment pkg = (PackageFragment) type.getPackageFragment();
    IPackageFragmentRoot root = (IPackageFragmentRoot) pkg.getParent();
    try {//from   w  w w. j  a  v a  2 s . c  o m
        if (!root.isArchive())
            return Util.newClassFileReader(((JavaElement) type).resource());

        ZipFile zipFile = null;
        try {
            IPath zipPath = root.getPath();
            if (JavaModelManager.ZIP_ACCESS_VERBOSE)
                System.out.println("(" + Thread.currentThread()
                        + ") [MatchLocator.classFileReader()] Creating ZipFile on " + zipPath); //$NON-NLS-1$   //$NON-NLS-2$
            zipFile = manager.getZipFile(zipPath);
            String classFileName = classFile.getElementName();
            String path = Util.concatWith(pkg.names, classFileName, '/');
            return ClassFileReader.read(zipFile, path);
        } finally {
            manager.closeZipFile(zipFile);
        }
    } catch (ClassFormatException e) {
        // invalid class file: return null
    } catch (CoreException e) {
        // cannot read class file: return null
    } catch (IOException e) {
        // cannot read class file: return null
    }
    return null;
}

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From source file:com.codenvy.ide.ext.java.server.internal.core.search.matching.MatchLocator.java

License:Open Source License

protected IBinaryType getBinaryInfo(ClassFile classFile, IResource resource) throws CoreException {
    BinaryType binaryType = (BinaryType) classFile.getType();
    if (classFile.isOpen())
        return (IBinaryType) binaryType.getElementInfo(); // reuse the info from the java model cache

    // create a temporary info
    IBinaryType info;/*from w  w  w. j  a  v a2  s  . c o m*/
    try {
        PackageFragment pkg = (PackageFragment) classFile.getParent();
        PackageFragmentRoot root = (PackageFragmentRoot) pkg.getParent();
        if (root.isArchive()) {
            // class file in a jar
            String classFileName = classFile.getElementName();
            String classFilePath = Util.concatWith(pkg.names, classFileName, '/');
            ZipFile zipFile = null;
            try {
                zipFile = ((JarPackageFragmentRoot) root).getJar();
                info = ClassFileReader.read(zipFile, classFilePath);
            } finally {
                JavaModelManager.getJavaModelManager().closeZipFile(zipFile);
            }
        } else {
            // class file in a directory
            info = Util.newClassFileReader(resource);
        }
        if (info == null)
            throw binaryType.newNotPresentException();
        return info;
    } catch (ClassFormatException e) {
        //e.printStackTrace();
        return null;
    } catch (IOException e) {
        throw new JavaModelException(e, IJavaModelStatusConstants.IO_EXCEPTION);
    }
}

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From source file:org.eclipse.jdt.internal.core.hierarchy.HierarchyBuilder.java

License:Open Source License

/**
* Creates the type info from the given class file on disk and
* adds it to the given list of infos./*from   w  w  w .j av a  2  s . co m*/
*/
protected IBinaryType createInfoFromClassFile(Openable handle, IResource file) {
    IBinaryType info = null;
    try {
        info = Util.newClassFileReader(file);
    } catch (org.eclipse.jdt.internal.compiler.classfmt.ClassFormatException e) {
        if (TypeHierarchy.DEBUG) {
            e.printStackTrace();
        }
        return null;
    } catch (java.io.IOException e) {
        if (TypeHierarchy.DEBUG) {
            e.printStackTrace();
        }
        return null;
    } catch (CoreException e) {
        if (TypeHierarchy.DEBUG) {
            e.printStackTrace();
        }
        return null;
    }
    this.infoToHandle.put(info, handle);
    return info;
}

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From source file:org.eclipse.jdt.internal.core.search.matching.MatchLocator.java

License:Open Source License

public static ClassFileReader classFileReader(IType type) {
    IClassFile classFile = type.getClassFile();
    JavaModelManager manager = JavaModelManager.getJavaModelManager();
    if (classFile.isOpen())
        return (ClassFileReader) manager.getInfo(type);

    PackageFragment pkg = (PackageFragment) type.getPackageFragment();
    IPackageFragmentRoot root = (IPackageFragmentRoot) pkg.getParent();
    try {/*from   w w  w  .  j a  v  a  2s.c om*/
        if (!root.isArchive())
            return Util.newClassFileReader(((JavaElement) type).resource());

        ZipFile zipFile = null;
        try {
            IPath zipPath = root.getPath();
            if (JavaModelManager.ZIP_ACCESS_VERBOSE)
                System.out.println("(" + Thread.currentThread() //$NON-NLS-1$
                        + ") [MatchLocator.classFileReader()] Creating ZipFile on " + zipPath); //$NON-NLS-1$
            zipFile = manager.getZipFile(zipPath);
            String classFileName = classFile.getElementName();
            String path = Util.concatWith(pkg.names, classFileName, '/');
            return ClassFileReader.read(zipFile, path);
        } finally {
            manager.closeZipFile(zipFile);
        }
    } catch (ClassFormatException e) {
        // invalid class file: return null
    } catch (CoreException e) {
        // cannot read class file: return null
    } catch (IOException e) {
        // cannot read class file: return null
    }
    return null;
}

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From source file:org.eclipse.jdt.internal.core.search.matching.MatchLocator.java

License:Open Source License

protected IBinaryType getBinaryInfo(ClassFile classFile, IResource resource) throws CoreException {
    BinaryType binaryType = (BinaryType) classFile.getType();
    if (classFile.isOpen())
        return (IBinaryType) binaryType.getElementInfo(); // reuse the info from the java model cache

    // create a temporary info
    IBinaryType info;//from  ww  w  .  j av a  2  s . c o  m
    try {
        PackageFragment pkg = (PackageFragment) classFile.getParent();
        PackageFragmentRoot root = (PackageFragmentRoot) pkg.getParent();
        if (root.isArchive()) {
            // class file in a jar
            String classFileName = classFile.getElementName();
            String classFilePath = Util.concatWith(pkg.names, classFileName, '/');
            ZipFile zipFile = null;
            try {
                zipFile = ((JarPackageFragmentRoot) root).getJar();
                info = ClassFileReader.read(zipFile, classFilePath);
            } finally {
                JavaModelManager.getJavaModelManager().closeZipFile(zipFile);
            }
        } else {
            // class file in a directory
            info = Util.newClassFileReader(resource);
        }
        if (info == null)
            throw binaryType.newNotPresentException();
        return info;
    } catch (ClassFormatException e) {
        //e.printStackTrace();
        return null;
    } catch (java.io.IOException e) {
        throw new JavaModelException(e, IJavaModelStatusConstants.IO_EXCEPTION);
    }
}

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