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34 package info.magnolia.module.delta;
35
36 import info.magnolia.jcr.util.NodeTypes;
37 import info.magnolia.module.InstallContext;
38
39 import javax.jcr.Node;
40 import javax.jcr.NodeIterator;
41 import javax.jcr.RepositoryException;
42 import javax.jcr.query.Query;
43 import javax.jcr.query.QueryManager;
44
45 import org.slf4j.Logger;
46 import org.slf4j.LoggerFactory;
47
48
49
50
51 public class FindAndChangeTemplateIdTask extends AbstractRepositoryTask {
52
53 private static final Logger log = LoggerFactory.getLogger(FindAndChangeTemplateIdTask.class);
54
55 private final String repository;
56 private final String oldTemplateId;
57 private final String newTemplateId;
58
59 public FindAndChangeTemplateIdTask(String name, String description, String repository, String oldTemplateId, String newTemplateId) {
60 super(name, description);
61 this.repository = repository;
62 this.oldTemplateId = oldTemplateId;
63 this.newTemplateId = newTemplateId;
64 }
65
66 @Override
67 protected void doExecute(InstallContext installContext) throws RepositoryException, TaskExecutionException {
68 final String statement = "select * from [nt:base] where [mgnl:template] = '" + oldTemplateId + "'";
69 QueryManager qm = installContext.getJCRSession(repository).getWorkspace().getQueryManager();
70 Query query = qm.createQuery(statement, Query.JCR_SQL2);
71 NodeIterator iter = query.execute().getNodes();
72 while (iter.hasNext()) {
73 operateOnNode(installContext, iter.nextNode());
74 }
75 }
76
77 protected void operateOnNode(InstallContext installContext, Node node) {
78 try {
79 NodeTypes.Renderable.set(node, newTemplateId);
80 log.info("Node " + node.getPath() + ": old template " + oldTemplateId + " replaced by " + newTemplateId);
81 } catch (RepositoryException e) {
82 log.warn("Can't change old template id.", e);
83 }
84 }
85
86 }