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

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   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
  17 package org.argeo.slc.equinox;
  18
  19 import org.apache.commons.logging.Log;
  20 import org.apache.commons.logging.LogFactory;
  21 import org.argeo.slc.SlcException;
  22 import org.argeo.slc.osgi.OsgiExecutionModulesManager;
  23 import org.argeo.slc.process.RealizedFlow;
  24 import org.eclipse.osgi.framework.console.CommandInterpreter;
  25 import org.eclipse.osgi.framework.console.CommandProvider;
  26
  27 @SuppressWarnings("restriction")
  28 public class ExecutionCommandProvider implements CommandProvider {
  29         private final static Log log = LogFactory
  30                         .getLog(ExecutionCommandProvider.class);
  31
  32         private final static String SLC_WITH_REFRESH = "slc";
  33         private final static String SLC_NO_REFRESH = "slcnr";
  34
  35         private OsgiExecutionModulesManager modulesManager;
  36
  37         private RealizedFlow lastLaunch = null;
  38
  39         public Object _slc(CommandInterpreter ci) {
  40                 return exec(SLC_WITH_REFRESH, ci);
  41         }
  42
  43         public Object _slcnr(CommandInterpreter ci) {
  44                 return exec(SLC_NO_REFRESH, ci);
  45         }
  46
  47         protected Object exec(String slcCommand, CommandInterpreter ci) {
  48                 // TODO: check version
  49                 String firstArg = ci.nextArgument();
  50                 if (firstArg == null) {
  51                         if (lastLaunch != null) {
  52                                 String cmd = slcCommand + " " + lastLaunch.getModuleName()
  53                                                 + " " + lastLaunch.getFlowDescriptor().getName();
  54                                 if (log.isDebugEnabled())
  55                                         log.debug("Execute again last command: " + cmd);
  56                                 return ci.execute(cmd);
  57                         } else {
  58                                 ci.execute("help");
  59                                 throw new SlcException("Command not properly formatted");
  60                         }
  61                 }
  62                 String executionName = ci.nextArgument();
  63
  64                 launch(slcCommand, firstArg, executionName);
  65                 return "COMMAND COMPLETED";
  66         }
  67
  68         protected void launch(String slcCommand, String firstArg,
  69                         String executionName) {
  70                 lastLaunch = modulesManager.findRealizedFlow(firstArg, executionName);
  71                 if (lastLaunch == null)
  72                         throw new SlcException("Cannot find launch for " + firstArg + " "
  73                                         + executionName);
  74
  75                 // Execute
  76                 if (SLC_WITH_REFRESH.equals(slcCommand)) {
  77                         modulesManager.upgrade(lastLaunch.getModuleNameVersion());
  78                         modulesManager.execute(lastLaunch);
  79                 } else if (SLC_NO_REFRESH.equals(slcCommand))
  80                         modulesManager.execute(lastLaunch);
  81                 else
  82                         throw new SlcException("Unrecognized SLC command " + slcCommand);
  83         }
  84
  85         public String getHelp() {
  86                 StringBuffer buf = new StringBuffer();
  87                 buf.append("---SLC Execution Commands---\n");
  88                 buf
  89                                 .append("\tslc (<id>|<segment of bsn>) <execution bean>"
  90                                                 + "  - refresh the bundle, execute an execution flow (without arg, execute last)\n");
  91                 buf
  92                                 .append("\tslcnr (<id>|<segment of bsn>) <execution bean>"
  93                                                 + "  - execute an execution flow (without arg, execute last)\n");
  94                 return buf.toString();
  95
  96         }
  97
  98         public void setModulesManager(OsgiExecutionModulesManager osgiModulesManager) {
  99                 this.modulesManager = osgiModulesManager;
 100         }
 101
 102 }