abstractfileartifact.java

OSGI 的 源码实现,采用JAVA书写

/*
 * Oscar - An implementation of the OSGi framework.
 * Copyright (c) 2004, Richard S. Hall
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *   * Neither the name of the ungoverned.org nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Contact: Richard S. Hall ([e-mail])
 * Contributor(s):
 *
**/
package org.ungoverned.oscar.installer.artifact;

import java.io.*;
import java.util.Map;

import org.ungoverned.oscar.installer.Install;
import org.ungoverned.oscar.installer.Status;
import org.ungoverned.oscar.installer.StringProperty;

public abstract class AbstractFileArtifact extends AbstractArtifact
{
    private StringProperty m_destName = null;

    public AbstractFileArtifact(StringProperty sourceName)
    {
        this(sourceName, sourceName);
    }

    public AbstractFileArtifact(StringProperty sourceName, StringProperty destName)
    {
        this(sourceName, destName, null);
    }

    public AbstractFileArtifact(
        StringProperty sourceName, StringProperty destName, StringProperty destDir)
    {
        this(sourceName, destName, destDir, false);
    }

    public AbstractFileArtifact(
        StringProperty sourceName, StringProperty destName,
        StringProperty destDir, boolean localize)
    {
        super(sourceName, destDir, localize);
        m_destName = destName;
    }

    public StringProperty getDestinationName()
    {
        return m_destName;
    }

    public boolean process(Status status, Map propMap)
    {
        String installDir =
            ((StringProperty) propMap.get(Install.INSTALL_DIR)).getStringValue();

        try
        {
            InputStream is = getInputStream(status);

            if (is == null)
            {
                return true;
            }

            if (localize())
            {
                status.setText("Copying and configuring "
                    + getSourceName().getStringValue());
                copyAndLocalize(
                    is,
                    installDir,
                    getDestinationName().getStringValue(),
                    getDestinationDirectory().getStringValue(),
                    propMap);
            }
            else
            {
                status.setText("Copying " + getSourceName().getStringValue());
                copy(
                    is,
                    installDir,
                    getDestinationName().getStringValue(),
                    getDestinationDirectory().getStringValue());
            }

            is.close();

        }
        catch (Exception ex)
        {
            System.err.println(ex);
            return false;
        }

        return true;
    }
}