BundleDeltaImpl.java :  » Scripting » java2script » org » eclipse » osgi » internal » resolver » Java Open Source

/*******************************************************************************
 * Copyright (c) 2003, 2005 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.osgi.internal.resolver;

import org.eclipse.osgi.service.resolver.BundleDelta;
import org.eclipse.osgi.service.resolver.BundleDescription;

public class BundleDeltaImpl implements BundleDelta {

  private BundleDescription bundleDescription;
  private int type;

  public BundleDeltaImpl(BundleDescription bundleDescription) {
    this(bundleDescription, 0);
  }

  public BundleDeltaImpl(BundleDescription bundleDescription, int type) {
    this.bundleDescription = bundleDescription;
    this.type = type;
  }

  public BundleDescription getBundle() {
    return bundleDescription;
  }

  public int getType() {
    return type;
  }

  protected void setBundle(BundleDescription bundleDescription) {
    this.bundleDescription = bundleDescription;
  }

  protected void setType(int type) {
    this.type = type;
  }

  public String toString() {
    return bundleDescription.getSymbolicName() + '_' + bundleDescription.getVersion() + " (" + toTypeString(type) + ")"; //$NON-NLS-1$ //$NON-NLS-2$
  }

  private static String toTypeString(int type) {
    StringBuffer typeStr = new StringBuffer();
    if ((type & BundleDelta.ADDED) != 0)
      typeStr.append("ADDED,"); //$NON-NLS-1$
    if ((type & BundleDelta.REMOVED) != 0)
      typeStr.append("REMOVED,"); //$NON-NLS-1$
    if ((type & BundleDelta.RESOLVED) != 0)
      typeStr.append("RESOLVED,"); //$NON-NLS-1$
    if ((type & BundleDelta.UNRESOLVED) != 0)
      typeStr.append("UNRESOLVED,"); //$NON-NLS-1$
    if ((type & BundleDelta.LINKAGE_CHANGED) != 0)
      typeStr.append("LINKAGE_CHANGED,"); //$NON-NLS-1$
    if ((type & BundleDelta.UPDATED) != 0)
      typeStr.append("UPDATED,"); //$NON-NLS-1$
    if ((type & BundleDelta.REMOVAL_PENDING) != 0)
      typeStr.append("REMOVAL_PENDING,"); //$NON-NLS-1$
    if ((type & BundleDelta.REMOVAL_COMPLETE) != 0)
      typeStr.append("REMOVAL_COMPLETE,"); //$NON-NLS-1$
    if (typeStr.length() > 0)
      typeStr.deleteCharAt(typeStr.length() - 1);
    return typeStr.toString();
  }

  public int compareTo(Object obj) {
    long idcomp = getBundle().getBundleId() - ((BundleDelta) obj).getBundle().getBundleId();
    return (idcomp < 0L) ? -1 : ((idcomp > 0L) ? 1 : 0);
  }
}