runtime/org.argeo.slc.support.equinox/src/main/java/org/argeo/slc/equinox/ExecutionCommandProvider.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.slc.equinox;
  17
  18 import org.apache.commons.logging.Log;
  19 import org.apache.commons.logging.LogFactory;
  20 import org.argeo.slc.SlcException;
  21 import org.argeo.slc.execution.RealizedFlow;
  22 import org.argeo.slc.osgi.OsgiExecutionModulesManager;
  23 import org.eclipse.osgi.framework.console.CommandInterpreter;
  24 import org.eclipse.osgi.framework.console.CommandProvider;
  25
  26 @SuppressWarnings("restriction")
  27 public class ExecutionCommandProvider implements CommandProvider {
  28         private final static Log log = LogFactory
  29                         .getLog(ExecutionCommandProvider.class);
  30
  31         private final static String SLC_WITH_REFRESH = "slc";
  32         private final static String SLC_NO_REFRESH = "slcnr";
  33
  34         private OsgiExecutionModulesManager modulesManager;
  35
  36         private RealizedFlow lastLaunch = null;
  37
  38         public Object _slc(CommandInterpreter ci) {
  39                 return exec(SLC_WITH_REFRESH, ci);
  40         }
  41
  42         public Object _slcnr(CommandInterpreter ci) {
  43                 return exec(SLC_NO_REFRESH, ci);
  44         }
  45
  46         protected Object exec(String slcCommand, CommandInterpreter ci) {
  47                 // TODO: check version
  48                 String firstArg = ci.nextArgument();
  49                 if (firstArg == null) {
  50                         if (lastLaunch != null) {
  51                                 String cmd = slcCommand + " " + lastLaunch.getModuleName()
  52                                                 + " " + lastLaunch.getFlowDescriptor().getName();
  53                                 if (log.isDebugEnabled())
  54                                         log.debug("Execute again last command: " + cmd);
  55                                 return ci.execute(cmd);
  56                         } else {
  57                                 ci.execute("help");
  58                                 throw new SlcException("Command not properly formatted");
  59                         }
  60                 }
  61                 String executionName = ci.nextArgument();
  62
  63                 launch(slcCommand, firstArg, executionName);
  64                 return "COMMAND COMPLETED";
  65         }
  66
  67         protected void launch(String slcCommand, String firstArg,
  68                         String executionName) {
  69                 lastLaunch = modulesManager.findRealizedFlow(firstArg, executionName);
  70                 if (lastLaunch == null)
  71                         throw new SlcException("Cannot find launch for " + firstArg + " "
  72                                         + executionName);
  73
  74                 // Execute
  75                 if (SLC_WITH_REFRESH.equals(slcCommand)) {
  76                         modulesManager.upgrade(lastLaunch.getModuleNameVersion());
  77                         modulesManager.execute(lastLaunch);
  78                 } else if (SLC_NO_REFRESH.equals(slcCommand))
  79                         modulesManager.execute(lastLaunch);
  80                 else
  81                         throw new SlcException("Unrecognized SLC command " + slcCommand);
  82         }
  83
  84         public String getHelp() {
  85                 StringBuffer buf = new StringBuffer();
  86                 buf.append("---SLC Execution Commands---\n");
  87                 buf
  88                                 .append("\tslc (<id>|<segment of bsn>) <execution bean>"
  89                                                 + "  - refresh the bundle, execute an execution flow (without arg, execute last)\n");
  90                 buf
  91                                 .append("\tslcnr (<id>|<segment of bsn>) <execution bean>"
  92                                                 + "  - execute an execution flow (without arg, execute last)\n");
  93                 return buf.toString();
  94
  95         }
  96
  97         public void setModulesManager(OsgiExecutionModulesManager osgiModulesManager) {
  98                 this.modulesManager = osgiModulesManager;
  99         }
 100
 101 }