Package org.knopflerfish.bundle.desktop.swing

Source Code of org.knopflerfish.bundle.desktop.swing.ServiceHTMLDisplayer$JHTML

/*
* Copyright (c) 2003-2010, KNOPFLERFISH project
* 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 KNOPFLERFISH project 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.
*/

package org.knopflerfish.bundle.desktop.swing;

import java.util.Dictionary;
import java.util.Iterator;

import javax.swing.JComponent;

import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceReference;


public class ServiceHTMLDisplayer extends DefaultSwingBundleDisplayer {

  public ServiceHTMLDisplayer(BundleContext bc) {
    super(bc, "Services", "Shows bundle services", true);

    bUseListeners          = true;
    bUpdateOnBundleChange  = true;
    bUpdateOnServiceChange = true;
  }

  public JComponent newJComponent() {
    return new JHTML(this);
  }

  public void valueChanged(long bid) {
    Bundle[] bl = Activator.desktop.getSelectedBundles();

    for(Iterator it = components.iterator(); it.hasNext(); ) {
      JHTML comp = (JHTML)it.next();
      comp.valueChanged(bl);
    }
  }

  class JHTML extends JHTMLBundle {

    JHTML(DefaultSwingBundleDisplayer displayer) {
      super(displayer);
    }

    public StringBuffer  bundleInfo(Bundle b) {
      StringBuffer sb = new StringBuffer();

      try {
        final ServiceReference[] srl
          = Activator.getTargetBC_getServiceReferences();
        int nExport = 0;
        int nImport = 0;
        for(int i = 0; srl != null && i < srl.length; i++) {
          final Bundle srlb = srl[i].getBundle();
          if (null==srlb) { // Skip unregistered service.
            continue;
          }
          if(srlb.getBundleId() == b.getBundleId()) {
            nExport++;
          }
          Bundle[] bl = srl[i].getUsingBundles();
          for(int j = 0; bl != null && j < bl.length; j++) {
            if(bl[j].getBundleId() == b.getBundleId()) {
              nImport++;
            }
          }
        }

        startFont(sb);

        if(nExport > 0) {
          sb.append("<b>Exported services</b>");

          for(int i = 0; srl != null && i < srl.length; i++) {
            Bundle srlb = srl[i].getBundle();
            if(null!=srlb && srlb.getBundleId() == b.getBundleId()) {
              String[] cl = (String[])srl[i].getProperty(Constants.OBJECTCLASS);
              Bundle[] bl = srl[i].getUsingBundles();

              for(int j = 0; j < cl.length; j++) {
                sb.append("<br>");
                sb.append("#");
                Util.serviceLink(sb, srl[i], "" + srl[i].getProperty(Constants.SERVICE_ID));
                sb.append(" ");
                sb.append(cl[j]);
              }

              if(bl != null && bl.length > 0) {
                //            sb.append("<b>Used by</b><br>");
                for(int j = 0; bl != null && j < bl.length; j++) {
                  sb.append("<br>");
                  sb.append("&nbsp;&nbsp;");
                  Util.bundleLink(sb, bl[j]);
                }
              }
            }
          }
        }

        if(nImport > 0) {
          sb.append("<br><b>Imported services</b>");
          for(int i = 0; srl != null && i < srl.length; i++) {
            Bundle[] bl = srl[i].getUsingBundles();
            for(int j = 0; bl != null && j < bl.length; j++) {
              if(bl[j].getBundleId() == b.getBundleId()) {
                String[] cl = (String[])srl[i].getProperty(Constants.OBJECTCLASS);
                for(int k = 0; k < cl.length; k++) {
                  sb.append("<br>");
                  sb.append("#");
                  Util.serviceLink(sb, srl[i], "" + srl[i].getProperty(Constants.SERVICE_ID));
                  sb.append(" ");
                  sb.append(cl[k]);
                }
                sb.append("<br>");
                sb.append("&nbsp;&nbsp;");
                Util.bundleLink(sb, bl[j]);
              }
            }
          }
        }
        sb.append("</font>");
      } catch (Exception e) {
        e.printStackTrace();
      }
      Dictionary headers = b.getHeaders();

      sb.append("<table border=0 cellspacing=1 cellpadding=0>\n");

      sb.append("</table>");
      return sb;
    }

  }

}
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