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[gpl/argeo-slc.git] / runtime / org.argeo.slc.support.equinox / src / main / java / org / argeo / slc / equinox / ExecutionCommandProvider.java
index ae064f65274a60fbf402a31a7c807215d3c2efb7..7ac259910114d4ffafd31fc01a5235bbc7d1c006 100644 (file)
+/*
+ * Copyright (C) 2007-2012 Mathieu Baudier
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.argeo.slc.equinox;
 
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.argeo.slc.SlcException;
-import org.argeo.slc.execution.ExecutionFlowDescriptor;
-import org.argeo.slc.execution.ExecutionModule;
+import org.argeo.slc.osgi.OsgiExecutionModulesManager;
+import org.argeo.slc.process.RealizedFlow;
 import org.eclipse.osgi.framework.console.CommandInterpreter;
 import org.eclipse.osgi.framework.console.CommandProvider;
-import org.osgi.framework.Bundle;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.BundleException;
-import org.osgi.framework.ServiceReference;
-import org.springframework.osgi.context.BundleContextAware;
 
-public class ExecutionCommandProvider implements CommandProvider,
-               BundleContextAware {
+@SuppressWarnings("restriction")
+public class ExecutionCommandProvider implements CommandProvider {
        private final static Log log = LogFactory
                        .getLog(ExecutionCommandProvider.class);
 
-       private List<ExecutionModule> executionModules;
-       private BundleContext bundleContext;
+       private final static String SLC_WITH_REFRESH = "slc";
+       private final static String SLC_NO_REFRESH = "slcnr";
 
-       public Object _slc_exec(CommandInterpreter ci) {
-               // TODO: check version
-               String firstArg = ci.nextArgument();
-               String executionName = ci.nextArgument();
-               String moduleName = null;
+       private OsgiExecutionModulesManager modulesManager;
 
-               Long bundleId = null;
-               try {
-                       bundleId = Long.parseLong(firstArg);
-               } catch (NumberFormatException e) {
-                       // silent
-               }
+       private RealizedFlow lastLaunch = null;
 
-               Bundle bundle = null;
-               if (bundleId != null) {
-                       bundle = bundleContext.getBundle(bundleId);
-               } else {
-                       for (Bundle b : bundleContext.getBundles()) {
-                               if (b.getSymbolicName().contains(firstArg)) {
-                                       bundle = b;
-                                       break;
-                               }
-                       }
-               }
+       public Object _slc(CommandInterpreter ci) {
+               return exec(SLC_WITH_REFRESH, ci);
+       }
 
-               if (bundle != null) {
-                       moduleName = bundle.getSymbolicName();
-                       // try {
-                       // bundle.stop();
-                       // bundle.update();
-                       // bundle.start();
-                       //
-                       // // FIXME: potential infinite loop
-                       // while (bundle.getState() == Bundle.STARTING) {
-                       // try {
-                       // Thread.sleep(500);
-                       // } catch (InterruptedException e) {
-                       // // silent
-                       // }
-                       // }
-                       // } catch (BundleException e) {
-                       // throw new SlcException(
-                       // "Could not update the bundle for module " + moduleName,
-                       // e);
-                       // }
-               }
+       public Object _slcnr(CommandInterpreter ci) {
+               return exec(SLC_NO_REFRESH, ci);
+       }
 
-               // Find module
-               ExecutionModule module = null;
-               if (moduleName != null) {
-                       for (Iterator<ExecutionModule> it = executionModules.iterator(); it
-                                       .hasNext();) {
-                               ExecutionModule moduleT = it.next();
-                               if (moduleT.getName().equals(moduleName)) {
-                                       module = moduleT;
-                                       break;
-                               }
+       protected Object exec(String slcCommand, CommandInterpreter ci) {
+               // TODO: check version
+               String firstArg = ci.nextArgument();
+               if (firstArg == null) {
+                       if (lastLaunch != null) {
+                               String cmd = slcCommand + " " + lastLaunch.getModuleName()
+                                               + " " + lastLaunch.getFlowDescriptor().getName();
+                               if (log.isDebugEnabled())
+                                       log.debug("Execute again last command: " + cmd);
+                               return ci.execute(cmd);
+                       } else {
+                               ci.execute("help");
+                               throw new SlcException("Command not properly formatted");
                        }
                }
+               String executionName = ci.nextArgument();
 
-               if (module != null) {
-                       ExecutionFlowDescriptor descriptor = new ExecutionFlowDescriptor();
-                       descriptor.setName(executionName);
-                       module.execute(descriptor);
-                       log.info("Executed " + executionName + " from " + moduleName);
-               } else
-                       log
-                                       .warn("Could not find any execution module matching these requirements.");
+               launch(slcCommand, firstArg, executionName);
+               return "COMMAND COMPLETED";
+       }
 
-               return null;
+       protected void launch(String slcCommand, String firstArg,
+                       String executionName) {
+               lastLaunch = modulesManager.findRealizedFlow(firstArg, executionName);
+               if (lastLaunch == null)
+                       throw new SlcException("Cannot find launch for " + firstArg + " "
+                                       + executionName);
+
+               // Execute
+               if (SLC_WITH_REFRESH.equals(slcCommand)) {
+                       modulesManager.upgrade(lastLaunch.getModuleNameVersion());
+                       modulesManager.execute(lastLaunch);
+               } else if (SLC_NO_REFRESH.equals(slcCommand))
+                       modulesManager.execute(lastLaunch);
+               else
+                       throw new SlcException("Unrecognized SLC command " + slcCommand);
        }
 
        public String getHelp() {
                StringBuffer buf = new StringBuffer();
                buf.append("---SLC Execution Commands---\n");
                buf
-                               .append("\tslc_exec (<id>|<segment of bsn>) <execution bean>  - execute an execution flow\n");
+                               .append("\tslc (<id>|<segment of bsn>) <execution bean>"
+                                               + "  - refresh the bundle, execute an execution flow (without arg, execute last)\n");
+               buf
+                               .append("\tslcnr (<id>|<segment of bsn>) <execution bean>"
+                                               + "  - execute an execution flow (without arg, execute last)\n");
                return buf.toString();
 
        }
 
-       public void setExecutionModules(List<ExecutionModule> executionModules) {
-               this.executionModules = executionModules;
-       }
-
-       public void setBundleContext(BundleContext bundleContext) {
-               this.bundleContext = bundleContext;
+       public void setModulesManager(OsgiExecutionModulesManager osgiModulesManager) {
+               this.modulesManager = osgiModulesManager;
        }
 
 }