Examples with NodeIterator javax.jcr.NodeIterator used on opensource projects

Example 36 with NodeIterator

use of javax.jcr.NodeIterator in project jackrabbit by apache.

the class NodeReadMethodsTest method locateNodeWithReference.

/**
     * Returns the first descendant of <code>node</code> which has a property of
     * type {@link javax.jcr.PropertyType#REFERENCE} set and is <b>not</b>
     * multivalued.
     *
     * @param node <code>Node</code> to start traversal.
     * @return first node with a property of PropertType.REFERENCE
     */
private Node locateNodeWithReference(Node node) throws RepositoryException {
    PropertyIterator properties = node.getProperties();
    while (properties.hasNext()) {
        Property p = properties.nextProperty();
        if (p.getType() == PropertyType.REFERENCE && !p.getDefinition().isMultiple()) {
            return node;
        }
    }
    NodeIterator nodes = node.getNodes();
    while (nodes.hasNext()) {
        Node returnedNode = locateNodeWithReference(nodes.nextNode());
        if (returnedNode != null) {
            return returnedNode;
        }
    }
    return null;
}

Example 37 with NodeIterator

use of javax.jcr.NodeIterator in project jackrabbit by apache.

the class NodeReadMethodsTest method testGetNodesNamePattern.

/**
     * Test getNodes(String namePattern) with all possible patterns. Tested
     * node: root - NotExecutableException is thrown when root node has no sub
     * nodes.
     */
public void testGetNodesNamePattern() throws NotExecutableException, RepositoryException {
    // get root node and build an ArrayList of its sub nodes
    Node node = testRootNode;
    if (!node.hasNodes()) {
        throw new NotExecutableException("Workspace does not have sufficient content for this test. " + "Root node must have at least one child node.");
    }
    NodeIterator allNodesIt = node.getNodes();
    List<Node> allNodes = new ArrayList<Node>();
    while (allNodesIt.hasNext()) {
        Node n = allNodesIt.nextNode();
        allNodes.add(n);
    }
    // test if an empty NodeIterator is returned
    // when the pattern is not matching any child node
    String pattern0 = "";
    NodeIterator nodes0 = node.getNodes(pattern0);
    try {
        nodes0.nextNode();
        fail("An empty NodeIterator must be returned if pattern does" + "not match any child node.");
    } catch (NoSuchElementException e) {
    // success
    }
    // all further tests are using root's first sub node
    Node firstNode = allNodes.get(0);
    // test pattern "*"
    String pattern1 = "*";
    String assertString1 = "node.getNodes(\"" + pattern1 + "\"): ";
    NodeIterator nodes1 = node.getNodes(pattern1);
    // test if the number of found nodes is correct
    assertEquals(assertString1 + "number of nodes found: ", allNodes.size(), getSize(nodes1));
    // test pattern "nodeName"
    String pattern2 = firstNode.getName();
    String assertString2 = "node.getNodes(\"" + pattern2 + "\"): ";
    // test if the names of the found nodes are matching the pattern
    NodeIterator nodes2 = node.getNodes(pattern2);
    while (nodes2.hasNext()) {
        Node n = nodes2.nextNode();
        assertEquals(assertString2 + "name comparison failed: ", firstNode.getName(), n.getName());
    }
    // test if the number of found nodes is correct
    int numExpected2 = 0;
    for (int i = 0; i < allNodes.size(); i++) {
        Node n = allNodes.get(i);
        if (n.getName().equals(firstNode.getName())) {
            numExpected2++;
        }
    }
    nodes2 = node.getNodes(pattern2);
    assertEquals(assertString2 + "number of nodes found: ", numExpected2, getSize(nodes2));
    // test pattern "nodeName|nodeName"
    String pattern3 = firstNode.getName() + "|" + firstNode.getName();
    String assertString3 = "node.getNodes(\"" + pattern3 + "\"): ";
    // test if the names of the found nodes are matching the pattern
    NodeIterator nodes3 = node.getNodes(pattern3);
    while (nodes3.hasNext()) {
        Node n = nodes3.nextNode();
        assertEquals(assertString2 + "name comparison failed: ", firstNode.getName(), n.getName());
    }
    // test if the number of found nodes is correct
    int numExpected3 = 0;
    for (int i = 0; i < allNodes.size(); i++) {
        Node n = allNodes.get(i);
        if (n.getName().equals(firstNode.getName())) {
            numExpected3++;
        }
    }
    nodes3 = node.getNodes(pattern3);
    assertEquals(assertString3 + "number of nodes found: ", numExpected3, getSize(nodes3));
    // test pattern "*odeNam*"
    if (firstNode.getName().length() > 2) {
        String name = firstNode.getName();
        String shortenName = name.substring(1, name.length() - 1);
        String pattern4 = "*" + shortenName + "*";
        String assertString4 = "node.getNodes(\"" + pattern4 + "\"): ";
        // test if the names of the found nodes are matching the pattern
        NodeIterator nodes4 = node.getNodes(pattern4);
        while (nodes4.hasNext()) {
            Node n = nodes4.nextNode();
            assertTrue(assertString4 + "name comparison failed: *" + shortenName + "* not found in " + n.getName(), n.getName().indexOf(shortenName) != -1);
        }
        // test if the number of found nodes is correct
        int numExpected4 = 0;
        for (int i = 0; i < allNodes.size(); i++) {
            Node n = allNodes.get(i);
            if (n.getName().indexOf(shortenName) != -1) {
                numExpected4++;
            }
        }
        nodes4 = node.getNodes(pattern4);
        assertEquals(assertString4 + "number of nodes found: ", numExpected4, getSize(nodes4));
    }
}

Example 38 with NodeIterator

use of javax.jcr.NodeIterator in project jackrabbit by apache.

the class NodeReadMethodsTest method setUp.

/**
     * Sets up the fixture for this test.
     */
protected void setUp() throws Exception {
    isReadOnly = true;
    super.setUp();
    session = getHelper().getReadOnlySession();
    testRootNode = session.getRootNode().getNode(testPath);
    NodeIterator nodes = testRootNode.getNodes();
    try {
        childNode = nodes.nextNode();
    } catch (NoSuchElementException e) {
    }
}

Example 39 with NodeIterator

use of javax.jcr.NodeIterator in project jackrabbit by apache.

the class NodeReadMethodsTest method testHasNodes.

/**
     * Test if hasNodes() returns true if any sub node exists or false if not.
     * Tested node: root
     */
public void testHasNodes() throws RepositoryException {
    Node node = testRootNode;
    NodeIterator nodes = node.getNodes();
    int i = 0;
    while (nodes.hasNext()) {
        nodes.nextNode();
        i++;
    }
    if (i == 0) {
        assertFalse("node.hasNodes() returns true although " + "no sub nodes existing", node.hasNodes());
    } else {
        assertTrue("node.hasNodes() returns false althuogh " + "sub nodes are existing", node.hasNodes());
    }
}

Example 40 with NodeIterator

use of javax.jcr.NodeIterator in project jackrabbit by apache.

the class NodeReadMethodsTest method testHasNode.

/**
     * Test if hasNode(String relPath) returns true if the required node exists
     * and false if it doesn't. Tested node: root
     */
public void testHasNode() throws NotExecutableException, RepositoryException {
    Node node = testRootNode;
    NodeIterator nodes = node.getNodes();
    StringBuffer notExistingNodeName = new StringBuffer();
    while (nodes.hasNext()) {
        Node n = nodes.nextNode();
        assertTrue("hasNode(String relPath) returns false although " + "node at relPath is existing", node.hasNode(n.getName()));
        notExistingNodeName.append(n.getName() + "X");
    }
    if (notExistingNodeName.toString().equals("")) {
        throw new NotExecutableException("Workspace does not have sufficient content for this test. " + "Root node must have at least one child node.");
    }
    assertFalse("hasNode(String relPath) returns true although " + "node at relPath is not existing", node.hasNode(notExistingNodeName.toString().replaceAll(":", "")));
}