Example usage for org.eclipse.jdt.internal.compiler.util ManifestAnalyzer ManifestAnalyzer

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.util ManifestAnalyzer ManifestAnalyzer.

Prototype

ManifestAnalyzer

Source Link

Usage

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

License:Open Source License

private static List getCalledFileNames(IPath jarPath) {
    Object target = JavaModel.getTarget(jarPath,
            true/*check existence, otherwise the manifest cannot be read*/);
    if (!(target instanceof IFile || target instanceof File))
        return null;
    JavaModelManager manager = JavaModelManager.getJavaModelManager();
    ZipFile zip = null;//from w  w w  .j a va 2  s.com
    InputStream inputStream = null;
    List calledFileNames = null;
    try {
        zip = manager.getZipFile(jarPath);
        ZipEntry manifest = zip.getEntry("META-INF/MANIFEST.MF"); //$NON-NLS-1$
        if (manifest == null)
            return null;
        // non-null implies regular file
        ManifestAnalyzer analyzer = new ManifestAnalyzer();
        inputStream = zip.getInputStream(manifest);
        boolean success = analyzer.analyzeManifestContents(inputStream);
        calledFileNames = analyzer.getCalledFileNames();
        if (!success || analyzer.getClasspathSectionsCount() == 1 && calledFileNames == null) {
            if (JavaModelManager.CP_RESOLVE_VERBOSE_FAILURE) {
                Util.verbose("Invalid Class-Path header in manifest of jar file: " + jarPath.toOSString()); //$NON-NLS-1$
            }
            return null;
        } else if (analyzer.getClasspathSectionsCount() > 1) {
            if (JavaModelManager.CP_RESOLVE_VERBOSE_FAILURE) {
                Util.verbose("Multiple Class-Path headers in manifest of jar file: " + jarPath.toOSString()); //$NON-NLS-1$
            }
            return null;
        }
    } catch (CoreException e) {
        // not a zip file
        if (JavaModelManager.CP_RESOLVE_VERBOSE_FAILURE) {
            Util.verbose("Could not read Class-Path header in manifest of jar file: " + jarPath.toOSString()); //$NON-NLS-1$
            e.printStackTrace();
        }
    } catch (IOException e) {
        // not a zip file
        if (JavaModelManager.CP_RESOLVE_VERBOSE_FAILURE) {
            Util.verbose("Could not read Class-Path header in manifest of jar file: " + jarPath.toOSString()); //$NON-NLS-1$
            e.printStackTrace();
        }
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException e) {
                // best effort
            }
        }
        manager.closeZipFile(zip);
    }
    return calledFileNames;
}

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