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1   /**
2    * This file Copyright (c) 2007-2013 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.module.workflow.setup;
35  
36  import info.magnolia.cms.core.Content;
37  import info.magnolia.cms.core.ItemType;
38  import info.magnolia.cms.util.ClasspathResourcesUtil;
39  import info.magnolia.cms.util.ContentUtil;
40  import info.magnolia.module.InstallContext;
41  import info.magnolia.module.delta.AbstractTask;
42  import info.magnolia.module.delta.TaskExecutionException;
43  import info.magnolia.module.workflow.WorkflowConstants;
44  import org.apache.commons.io.IOUtils;
45  
46  import javax.jcr.RepositoryException;
47  import java.io.IOException;
48  import java.io.InputStream;
49  
50  /**
51   * Sets up a workflow definition. Does not use the FlowDefinitionManager because tasks are not
52   * supposed to save their changes to the repositories.
53   *
54   * @author gjoseph
55   * @version $Revision: $ ($Author: $)
56   */
57  public class InstallWorkflowDefinitionTask extends AbstractTask {
58      private final String flowName;
59      private final String resourcePath;
60  
61      public InstallWorkflowDefinitionTask(String taskName, String taskDescription, String flowName, String resourcePath) {
62          super(taskName, taskDescription);
63          this.flowName = flowName;
64          this.resourcePath = resourcePath;
65      }
66  
67      @Override
68      public void execute(InstallContext ctx) throws TaskExecutionException {
69          InputStream stream = null;
70          try {
71              stream = ClasspathResourcesUtil.getStream(resourcePath);
72              final String wfDef = IOUtils.toString(stream);
73  
74              // need to explicitely use the wf module node, or wf would need to be observer/register for all modules.
75              final Content wfModuleNode = ctx.getModulesNode().getChildByName("workflow");
76              final Content cfg = ContentUtil.getOrCreateContent(wfModuleNode, "config", ItemType.CONTENT);
77  
78              final Content flows = ContentUtil.getOrCreateContent(cfg, "flows", ItemType.CONTENT);
79              final Content flowNode = ContentUtil.getOrCreateContent(flows, flowName, ItemType.CONTENTNODE);
80              flowNode.createNodeData(WorkflowConstants.FLOW_VALUE, wfDef);
81          } catch (IOException e) {
82              ctx.error("Could not read default activation workflow definition", e);
83          } catch (RepositoryException e) {
84              ctx.error("Could not store default activation workflow definition", e);
85          } finally {
86              if (stream != null) {
87                  try {
88                      stream.close();
89                  } catch (IOException e) {
90                  }
91              }
92          }
93      }
94  }