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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jmeter.visualizers;
import java.awt.Component;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.ByteArrayInputStream;
import java.io.StringWriter;
import java.util.Enumeration;
import java.util.function.Consumer;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.SwingUtilities;
import javax.swing.ToolTipManager;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;
import javax.swing.tree.TreeSelectionModel;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jmeter.util.XPathUtil;
import org.apache.jorphan.util.JOrphanUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.tidy.Tidy;
import org.xml.sax.SAXException;
import com.google.auto.service.AutoService;
@AutoService(ResultRenderer.class)
public class RenderAsXML extends SamplerResultTab
implements ResultRenderer {
private static final Logger log = LoggerFactory.getLogger(RenderAsXML.class);
private static final byte[] XML_PFX = {'<', '?', 'x', 'm', 'l', ' '};//" 0) {
showErrorMessageDialog(
sw.toString(),
"Tidy: " + tidy.getParseErrors() + " errors, " + tidy.getParseWarnings() + " warnings",
JOptionPane.WARNING_MESSAGE);
}
JPanel domTreePanel = new DOMTreePanel(document);
new ExpandPopupMenu().add(domTreePanel);
resultsScrollPane.setViewportView(domTreePanel);
}
/**
* {@inheritDoc}
* @see org.apache.jmeter.visualizers.SamplerResultTab#clearData()
*/
@Override
public void clearData() {
super.clearData();
resultsScrollPane.setViewportView(null); // clear result tab on Ctrl-E
}
private static class ExpandPopupMenu extends JPopupMenu implements ActionListener {
private static final long serialVersionUID = 1L;
private final JMenuItem expand;
private final JMenuItem collapse;
private JTree tree;
ExpandPopupMenu() {
expand = new JMenuItem(JMeterUtils.getResString("menu_expand_all"));
expand.addActionListener(this);
add(expand);
collapse = new JMenuItem(JMeterUtils.getResString("menu_collapse_all"));
collapse.addActionListener(this);
add(collapse);
}
void setTree(JTree tree) {
this.tree = tree;
}
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == expand) {
expandAll(tree.getSelectionPath());
}
if (e.getSource() == collapse) {
collapseAll(tree.getSelectionPath());
}
}
private void collapseAll(TreePath parent) {
applyToChildren(parent, this::collapseAll);
tree.collapsePath(parent);
}
private void expandAll(TreePath parent) {
applyToChildren(parent, this::expandAll);
tree.expandPath(parent);
}
@SuppressWarnings("JdkObsolete")
private static void applyToChildren(TreePath parent, Consumer method) {
TreeNode node = (TreeNode) parent.getLastPathComponent();
Enumeration e = node.children();
while (e.hasMoreElements()) {
TreeNode n = (TreeNode) e.nextElement();
TreePath path = parent.pathByAddingChild(n);
method.accept(path);
}
}
}
/*
*
* A Dom tree panel for to display response as tree view author Dave Maung
* TODO implement to find any nodes in the tree using TreePath.
*
*/
private static class DOMTreePanel extends JPanel implements MouseListener {
private static final long serialVersionUID = 6871690021183779153L;
private JTree domJTree;
private ExpandPopupMenu popupMenu;
public DOMTreePanel(org.w3c.dom.Document document) {
super(new GridLayout(1, 0));
try {
Node firstElement = getFirstElement(document);
DefaultMutableTreeNode top = new XMLDefaultMutableTreeNode(firstElement);
domJTree = new JTree(top);
domJTree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
domJTree.setShowsRootHandles(true);
domJTree.addMouseListener(this);
popupMenu = new ExpandPopupMenu();
popupMenu.setTree(domJTree);
JScrollPane domJScrollPane = new JScrollPane(domJTree);
domJTree.setAutoscrolls(true);
this.add(domJScrollPane);
ToolTipManager.sharedInstance().registerComponent(domJTree);
domJTree.setCellRenderer(new DomTreeRenderer());
} catch (SAXException e) {
log.warn("Error trying to parse document", e);
}
}
/**
* Skip all DTD nodes, all prolog nodes. They are not supported in tree view
* We let user insert them however in DOMTreeView, we don't display them.
*
* @param parent {@link Node}
*/
private static Node getFirstElement(Node parent) {
NodeList childNodes = parent.getChildNodes();
Node toReturn = parent; // Must return a valid node, or may generate an NPE
for (int i = 0; i < childNodes.getLength(); i++) {
Node childNode = childNodes.item(i);
toReturn = childNode;
if (childNode.getNodeType() == Node.ELEMENT_NODE) {
break;
}
}
return toReturn;
}
/**
* This class is to view as tooltext. This is very useful, when the
* contents has long string and does not fit in the view. it will also
* automatically wrap line for each 100 characters since tool tip
* support html.
*/
private static class DomTreeRenderer extends DefaultTreeCellRenderer {
private static final long serialVersionUID = 240210061375790195L;
@Override
public Component getTreeCellRendererComponent(
JTree tree, Object value, boolean sel, boolean expanded,
boolean leaf, int row, boolean phasFocus) {
super.getTreeCellRendererComponent(
tree, value, sel, expanded, leaf, row, phasFocus);
DefaultMutableTreeNode valueTreeNode = (DefaultMutableTreeNode) value;
setToolTipText(getHTML(valueTreeNode.toString(), " ", 100)); // $NON-NLS-1$
return this;
}
/**
* get the html
*/
private static String getHTML(String str, String separator, int maxChar) {
StringBuilder strBuf = new StringBuilder(""); // $NON-NLS-1$
char[] chars = str.toCharArray();
for (int i = 0; i < chars.length; i++) {
if (i % maxChar == 0 && i != 0) {
strBuf.append(separator);
}
strBuf.append(encode(chars[i]));
}
strBuf.append(""); // $NON-NLS-1$
return strBuf.toString();
}
private static String encode(char c) {
String toReturn = String.valueOf(c);
switch (c) {
case '<': // $NON-NLS-1$
toReturn = "<"; // $NON-NLS-1$
break;
case '>': // $NON-NLS-1$
toReturn = ">"; // $NON-NLS-1$
break;
case '\'': // $NON-NLS-1$
toReturn = "'"; // $NON-NLS-1$
break;
case '\"': // $NON-NLS-1$
toReturn = """; // $NON-NLS-1$
break;
default:
// ignored
break;
}
return toReturn;
}
}
@Override
public void mouseClicked(MouseEvent e) {
if (SwingUtilities.isRightMouseButton(e)) {
int x = e.getX();
int y = e.getY();
JTree tree = (JTree) e.getSource();
int rowIndex = tree.getClosestRowForLocation(x, y);
if (rowIndex > -1) {
tree.setSelectionRow(rowIndex);
popupMenu.show(tree, x, y);
}
}
}
@Override
public void mousePressed(MouseEvent e) {
}
@Override
public void mouseReleased(MouseEvent e) {
}
@Override
public void mouseEntered(MouseEvent e) {
}
@Override
public void mouseExited(MouseEvent e) {
}
}
private static void showErrorMessageDialog(String message, String title, int messageType) {
JOptionPane.showMessageDialog(null, message, title, messageType);
}
/** {@inheritDoc} */
@Override
public String toString() {
return JMeterUtils.getResString("view_results_render_xml"); // $NON-NLS-1$
}
}
