com.inavare.maven.platform.LocalMavenRepostory.java Source code

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Here is the source code for com.inavare.maven.platform.LocalMavenRepostory.java

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/*******************************************************************************
 * Copyright (c) 2009 TH4 SYSTEMS GmbH and others
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Jens Reimann (TH4 SYSTEMS GmbH) - initial API and implementation
 *******************************************************************************/

package com.inavare.maven.platform;

import java.io.File;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.Manifest;

import org.eclipse.core.runtime.Status;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.pde.ui.IProvisionerWizard;

public class LocalMavenRepostory extends Wizard implements IProvisionerWizard {

    private WizardPageExtension page;

    public LocalMavenRepostory() {
        setDialogSettings(Activator.getDefault().getDialogSettings());
        setWindowTitle("Test Title");
        setDefaultPageImageDescriptor(ImageDescriptor.getMissingImageDescriptor());
        setNeedsProgressMonitor(true);
    }

    @Override
    public void addPages() {
        addPage(this.page = new WizardPageExtension("Test"));
        super.addPages();
    }

    private File[] files;

    @Override
    public boolean performFinish() {
        File repo = this.page.getFile();

        Set<File> files = new HashSet<File>();
        addFiles(repo, files);
        this.files = files.toArray(new File[0]);

        return true;
    }

    private void addFiles(final File parent, final Set<File> files) {
        for (String name : parent.list()) {
            File dir = new File(parent, name);
            if (dir.isDirectory()) {
                if (shouldAdd(dir)) {
                    files.add(dir);
                }
                addFiles(dir, files);
            }
        }
    }

    private boolean shouldAdd(final File dir) {
        for (File file : dir.listFiles()) {
            if (isBundle(file)) {
                return true;
            }
        }
        return false;
    }

    private boolean isBundle(final File file) {
        if (!file.getName().toLowerCase().endsWith(".jar")) {
            return false;
        }

        JarFile jarFile = null;
        try {
            jarFile = new JarFile(file);
            final Manifest m = jarFile.getManifest();
            if (m == null) {
                return false;
            }
            final Attributes a = m.getMainAttributes();
            final Object o = a.getValue("Bundle-SymbolicName");
            return o != null;
        } catch (IOException e) {
            return false;
        } finally {
            if (jarFile != null) {
                try {
                    jarFile.close();
                } catch (IOException e) {
                    Activator.getDefault().getLog()
                            .log(new Status(Status.ERROR, Activator.PLUGIN_ID, "Failed to close jar file", e));
                }
            }
        }
    }

    public File[] getLocations() {
        return this.files;
    }

}