Initial version of Felix shell command for querying the status of services managed by the dependency manager.
git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@696809 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/dependencymanager.shell/src/main/java/org/apache/felix/dependencymanager/shell/DMCommand.java b/dependencymanager.shell/src/main/java/org/apache/felix/dependencymanager/shell/DMCommand.java
new file mode 100644
index 0000000..35dcb5d
--- /dev/null
+++ b/dependencymanager.shell/src/main/java/org/apache/felix/dependencymanager/shell/DMCommand.java
@@ -0,0 +1,74 @@
+package org.apache.felix.dependencymanager.shell;
+
+import java.io.PrintStream;
+import java.util.Arrays;
+import java.util.Comparator;
+
+import org.apache.felix.dependencymanager.ServiceComponent;
+import org.apache.felix.dependencymanager.ServiceComponentDependency;
+import org.apache.felix.shell.Command;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.framework.ServiceReference;
+
+public class DMCommand implements Command {
+ private final BundleContext m_context;
+
+ public DMCommand(BundleContext context) {
+ m_context = context;
+ }
+
+ public void execute(String line, PrintStream out, PrintStream err) {
+ // lookup all dependency manager service components
+ try {
+ ServiceReference[] references = m_context.getServiceReferences(ServiceComponent.class.getName(), null);
+ // show their state
+ if (references != null) {
+ Arrays.sort(references, new Comparator() {
+ public int compare(Object o1, Object o2) {
+ ServiceReference r1 = (ServiceReference) o1;
+ ServiceReference r2 = (ServiceReference) o2;
+ return (int) Math.signum(r1.getBundle().getBundleId() - r2.getBundle().getBundleId());
+ }});
+ for (int i = 0; i < references.length; i++) {
+ ServiceReference ref = references[i];
+ ServiceComponent sc = (ServiceComponent) m_context.getService(ref);
+ if (sc != null) {
+ String name = sc.getName();
+ int state = sc.getState();
+ out.println("[" + ref.getBundle().getBundleId() + "] " + ref.getBundle().getSymbolicName() + " " + name + " " + ServiceComponent.STATE_NAMES[state]);
+ if (line.indexOf("deps") != -1) {
+ ServiceComponentDependency[] dependencies = sc.getComponentDependencies();
+ if (dependencies != null) {
+ for (int j = 0; j < dependencies.length; j++) {
+ ServiceComponentDependency dep = dependencies[j];
+ String depName = dep.getName();
+ String depType = dep.getType();
+ int depState = dep.getState();
+ out.println(" " + depName + " " + depType + " " + ServiceComponentDependency.STATE_NAMES[depState]);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ catch (InvalidSyntaxException e) {
+ // very weird since I'm not specifying a filter
+ e.printStackTrace(err);
+ }
+ }
+
+ public String getName() {
+ return "dm";
+ }
+
+ public String getShortDescription() {
+ return "list dependency manager component diagnostics.";
+ }
+
+ public String getUsage() {
+ return "dm [deps]";
+ }
+
+}