SlcJcrUtils.java

   1 package org.argeo.slc.jcr;
   2
   3 /** Utilities around the SLC JCR model. Note that it relies on fixed base paths. */
   4 public class SlcJcrUtils {
   5         public final static Integer AGENT_FACTORY_DEPTH = 3;
   6         public final static Integer EXECUTION_MODULES_DEPTH = AGENT_FACTORY_DEPTH + 2;
   7         public final static Integer EXECUTION_FLOWS_DEPTH = EXECUTION_MODULES_DEPTH + 3;
   8
   9         /** Extracts the path of a flow relative to its execution module */
  10         public static String flowRelativePath(String fullFlowPath) {
  11                 String[] tokens = fullFlowPath.split("/");
  12                 StringBuffer buf = new StringBuffer(fullFlowPath.length());
  13                 for (int i = EXECUTION_FLOWS_DEPTH; i < tokens.length; i++) {
  14                         buf.append('/').append(tokens[i]);
  15                 }
  16                 return buf.toString();
  17         }
  18
  19         /** Extracts the execution module name of a flow */
  20         public static String flowExecutionModuleName(String fullFlowPath) {
  21                 String[] tokens = fullFlowPath.split("/");
  22                 return tokens[EXECUTION_MODULES_DEPTH + 1];
  23         }
  24
  25         /** Extracts the execution module version of a flow */
  26         public static String flowExecutionModuleVersion(String fullFlowPath) {
  27                 String[] tokens = fullFlowPath.split("/");
  28                 return tokens[EXECUTION_MODULES_DEPTH + 2];
  29         }
  30
  31         /** Extracts the agent factory of a flow */
  32         public static String flowAgentFactoryPath(String fullFlowPath) {
  33                 String[] tokens = fullFlowPath.split("/");
  34                 StringBuffer buf = new StringBuffer(fullFlowPath.length());
  35                 // first token is always empty
  36                 for (int i = 1; i < AGENT_FACTORY_DEPTH + 1; i++) {
  37                         buf.append('/').append(tokens[i]);
  38                 }
  39                 return buf.toString();
  40         }
  41
  42         /** Prevents instantiation */
  43         private SlcJcrUtils() {
  44
  45         }
  46
  47         // public static void main(String[] args) {
  48         // String path =
  49         // "/slc/agents/vm/54654654654/executionModules/org.argeo/1.2.3/myFlow";
  50         // System.out.println(flowRelativePath(path));
  51         // System.out.println(flowExecutionModuleName(path));
  52         // System.out.println(flowAgentFactoryPath(path));
  53         // }
  54 }