org.jboss.windup.metadata.type.ManifestMetadata.java Source code

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Here is the source code for org.jboss.windup.metadata.type.ManifestMetadata.java

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/*
 * Copyright (c) 2013 Red Hat, Inc. and/or its affiliates.
 *  
 *  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:
 *      Brad Davis - bradsdavis@gmail.com - Initial API and implementation
*/
package org.jboss.windup.metadata.type;

import java.io.FileInputStream;
import java.lang.ref.SoftReference;
import java.util.jar.Manifest;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jboss.windup.metadata.decoration.Summary;
import org.jboss.windup.metadata.decoration.AbstractDecoration.NotificationLevel;
import org.jboss.windup.metadata.decoration.effort.UnknownEffort;

public class ManifestMetadata extends FileMetadata {
    private static final Log LOG = LogFactory.getLog(ManifestMetadata.class);
    protected SoftReference<Manifest> manifest;

    public Manifest getManifest() {
        if (manifest == null) {
            // create it.
            try {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("Reading manifest: " + filePointer.getAbsolutePath());
                }
                Manifest mTmp = new Manifest(new FileInputStream(filePointer));
                manifest = new SoftReference<Manifest>(mTmp);
                LOG.debug("Reading manifest complete.");
            } catch (Exception e) {
                LOG.error("Bad Manifest? " + filePointer.getAbsolutePath());
                LOG.info("Skipping file. Continuing Windup Processing...");

                Summary sr = new Summary();
                sr.setDescription("Bad Manifest? Unable to parse.");
                sr.setLevel(NotificationLevel.CRITICAL);
                sr.setEffort(new UnknownEffort());
                this.getDecorations().add(sr);
                this.manifest = null;
            }
        }
        if (manifest == null) {
            return null;
        }
        return manifest.get();
    }
}