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/*******************************************************************************
* Copyright (c) 2004 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.core.runtime.adaptor;
import java.util.Enumeration;
import java.util.Properties;
import org.eclipse.osgi.framework.console.CommandInterpreter;
import org.eclipse.osgi.framework.console.CommandProvider;
import org.eclipse.osgi.service.resolver.*;
import org.osgi.framework.*;
/**
* Internal class.
*/
public class EclipseCommandProvider implements CommandProvider {
private BundleContext context;
public EclipseCommandProvider(BundleContext context) {
this.context = context;
}
public String getHelp() {
StringBuffer help = new StringBuffer(512);
help.append(EclipseAdaptorMsg.NEW_LINE);
help.append("---"); //$NON-NLS-1$
help.append(EclipseAdaptorMsg.formatter.getString("ECLIPSE_CONSOLE_COMMANDS_HEADER"));//$NON-NLS-1$
help.append("---"); //$NON-NLS-1$
help.append(EclipseAdaptorMsg.NEW_LINE);
help.append("\tdiag - " + EclipseAdaptorMsg.formatter.getString("ECLIPSE_CONSOLE_HELP_DIAG_COMMAND_DESCRIPTION"));//$NON-NLS-1$ //$NON-NLS-2$
help.append(EclipseAdaptorMsg.NEW_LINE);
help.append("\tactive - " + EclipseAdaptorMsg.formatter.getString("ECLIPSE_CONSOLE_HELP_ACTIVE_COMMAND_DESCRIPTION"));//$NON-NLS-1$ //$NON-NLS-2$
help.append(EclipseAdaptorMsg.NEW_LINE);
help.append("\tgetprop " + EclipseAdaptorMsg.formatter.getString("ECLIPSE_CONSOLE_HELP_GETPROP_COMMAND_DESCRIPTION"));//$NON-NLS-1$ //$NON-NLS-2$
return help.toString();
}
private BundleDescription getBundleDescriptionFromToken(State state, String token) {
try {
long id = Long.parseLong(token);
return state.getBundle(id);
} catch (NumberFormatException nfe) {
BundleDescription[] allBundles = state.getBundles(token);
if (allBundles.length > 0)
return allBundles[0];
}
return null;
}
public void _diag(CommandInterpreter ci) throws Exception {
String nextArg = ci.nextArgument();
if (nextArg == null) {
ci.println(EclipseAdaptorMsg.formatter.getString("ECLIPSE_CONSOLE_NO_BUNDLE_SPECIFIED_ERROR"));//$NON-NLS-1$
return;
}
ServiceReference platformAdminRef = context.getServiceReference(PlatformAdmin.class.getName());
if (platformAdminRef == null) {
ci.print(" "); //$NON-NLS-1$
ci.println(EclipseAdaptorMsg.formatter.getString("ECLIPSE_CONSOLE_NO_CONSTRAINTS_NO_PLATFORM_ADMIN_MESSAGE"));//$NON-NLS-1$
return;
}
try {
PlatformAdmin platformAdmin = (PlatformAdmin) context.getService(platformAdminRef);
if (platformAdmin == null)
return;
State systemState = platformAdmin.getState(false);
while (nextArg != null) {
BundleDescription bundle = getBundleDescriptionFromToken(systemState, nextArg);
if (bundle == null) {
ci.println(EclipseAdaptorMsg.formatter.getString("ECLIPSE_CONSOLE_CANNOT_FIND_BUNDLE_ERROR", nextArg));//$NON-NLS-1$
nextArg = ci.nextArgument();
continue;
}
ci.println(bundle.getLocation() + " [" + bundle.getBundleId() + "]"); //$NON-NLS-1$ //$NON-NLS-2$
VersionConstraint[] unsatisfied = platformAdmin.getStateHelper().getUnsatisfiedConstraints(bundle);
if (unsatisfied.length == 0) {
// init default message
String message = EclipseAdaptorMsg.formatter.getString("ECLIPSE_CONSOLE_NO_CONSTRAINTS"); //$NON-NLS-1$
if (!bundle.isResolved()) {
// another version might have been picked
String symbolicName = bundle.getSymbolicName();
BundleDescription resolved = symbolicName == null ? null : getResolvedBundle(systemState, symbolicName);
if (resolved != null)
message = EclipseAdaptorMsg.formatter.getString("ECLIPSE_CONSOLE_OTHER_VERSION", resolved.getLocation()); //$NON-NLS-1$
}
ci.print(" "); //$NON-NLS-1$
ci.println(message);//$NON-NLS-1$
}
for (int i = 0; i < unsatisfied.length; i++) {
ci.print(" "); //$NON-NLS-1$
ci.println(EclipseAdaptorMsg.getResolutionFailureMessage(unsatisfied[i]));
}
nextArg = ci.nextArgument();
}
} finally {
context.ungetService(platformAdminRef);
}
}
private BundleDescription getResolvedBundle(State state, String symbolicName) {
BundleDescription[] homonyms = state.getBundles(symbolicName);
for (int i = 0; i < homonyms.length; i++)
if (homonyms[i].isResolved())
return homonyms[i];
return null;
}
public void _active(CommandInterpreter ci) throws Exception {
Bundle[] allBundles = context.getBundles();
int activeCount = 0;
for (int i = 0; i < allBundles.length; i++)
if (allBundles[i].getState() == Bundle.ACTIVE) {
ci.println(allBundles[i]);
activeCount++;
}
ci.print(" "); //$NON-NLS-1$
ci.println(EclipseAdaptorMsg.formatter.getString("ECLIPSE_CONSOLE_BUNDLES_ACTIVE", activeCount)); //$NON-NLS-1$
}
public void _getprop(CommandInterpreter ci) throws Exception {
Properties allProperties = System.getProperties();
String filter = ci.nextArgument();
Enumeration propertyNames = allProperties.keys();
while(propertyNames.hasMoreElements()) {
String prop = (String) propertyNames.nextElement();
if (filter == null || prop.startsWith(filter)) {
ci.println(prop+'='+allProperties.getProperty(prop));
}
}
}
}
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