Glassfish example source code file (CompositeArchive.java)

This example Glassfish source code file (CompositeArchive.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Glassfish tags/keywords

abstractreadablearchive, collection, compositearchive, compositehandler, enumeration, enumeration, io, ioexception, ioexception, jar, net, network, readablearchive, string, string, uri, util, vector, vector

The Glassfish CompositeArchive.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2009-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
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 */

package com.sun.enterprise.v3.server;

import org.glassfish.api.deployment.archive.ReadableArchive;
import org.glassfish.api.deployment.archive.CompositeHandler;
import com.sun.enterprise.deploy.shared.AbstractReadableArchive;

import java.io.InputStream;
import java.io.IOException;
import java.net.URI;
import java.util.*;
import java.util.jar.Manifest;

/**
 * A composite archive is a readable archive that hides the sub archives.
 *
 * @author Jerome Dochez
 */
public class CompositeArchive extends AbstractReadableArchive {

    final ReadableArchive delegate;
    final CompositeHandler filter;

    public CompositeArchive(ReadableArchive delegate, CompositeHandler filter) {
        this.delegate = delegate;
        this.filter = filter;
    }

    public InputStream getEntry(String name) throws IOException {
        if (filter.accept(delegate, name)) {
            return delegate.getEntry(name);
        }
        return null;
    }

    public boolean exists(String name) throws IOException {
        if (filter.accept(delegate, name)) {
            return delegate.exists(name);                                    
        }
        return false;
    }

    public long getEntrySize(String name) {
        if (filter.accept(delegate, name)) {
            return delegate.getEntrySize(name);
        }
        return 0;
    }

    public void open(URI uri) throws IOException {
        delegate.open(uri);
    }

    public ReadableArchive getSubArchive(String name) throws IOException {
        if (filter.accept(delegate, name)) {
            return delegate.getSubArchive(name);
        }
        return null;
    }

    public boolean exists() {
        return delegate.exists();
    }

    public boolean delete() {
        return delegate.delete();
    }

    public boolean renameTo(String name) {
        return delegate.renameTo(name);
    }

    public void close() throws IOException {
        delegate.close();
    }

    public Enumeration<String> entries() {

        Enumeration<String> original = delegate.entries();
        Vector<String> results = new Vector();
        while (original.hasMoreElements()) {
            String entryName = original.nextElement();
            if (filter.accept(delegate, entryName)) {
                results.add(entryName);
            }
        }
        return results.elements();
    }

    public Enumeration<String> entries(String prefix) {

        Enumeration<String> original = delegate.entries(prefix);
        Vector<String> results = new Vector();
        while (original.hasMoreElements()) {
            String entryName = original.nextElement();
            if (filter.accept(delegate, entryName)) {
                results.add(entryName);
            }
        }
        return results.elements();
    }

    public boolean isDirectory(String name) {
        if (filter.accept(delegate, name)) {
            return delegate.isDirectory(name);
        }
        return false;
    }

    public Manifest getManifest() throws IOException {
        return delegate.getManifest();
    }

    public URI getURI() {
        return delegate.getURI();
    }

    public long getArchiveSize() throws SecurityException {
        return delegate.getArchiveSize();
    }

    public String getName() {
        return delegate.getName();
    }

    // we don't hide the top level directories as we need to use them
    // to figure out whether the EarSniffer can handle it in the 
    // case of optional application.xml
    public Collection<String> getDirectories() throws IOException {
        return delegate.getDirectories();
    }
}