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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.
*/
/*
* TestEvents - test the events
*
* The following test assumes that we know the content of the
* graph as we get elements, add and change them. Therefore, the TestBook.xml
* file and this java test should be kept in sync.
*
* Test the following:
*
* listener on the root - change event for add/change/remove on the same root bean
* listener on the root - change event for add/change/remove
* on a sub node bean (propagation)
* listener on the root and on a subnode: test no reception, both reception and
* only one reception
* listener on a specific property
* remove listeners
* indexed and non indexed property events
* check utility methods to get the index, name and parent bean
* from an event name (graphManager methods)
* remove a subtree - get event within the subtree (no propagation)
* and within the original tree (propagation)
*
*/
import java.io.*;
import java.util.*;
import org.w3c.dom.*;
import java.beans.*;
import org.netbeans.modules.schema2beans.*;
import book.*;
public class TestEvents extends BaseTest
{
public static void main(String[] argv) {
BaseTest o = new TestEvents();
if (argv.length > 0)
o.setDocumentDir(argv[0]);
try {
o.run();
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
System.exit(0);
}
public class MyListener implements PropertyChangeListener
{
GraphManager gm;
String listenerName;
Object oldValue;
Object newValue;
String propertyName;
Object source;
int index;
boolean remove;
// Used to check that the event is triggered once the changed are done
Chapter tracePara;
public MyListener(BaseBean bean)
{
this.listenerName = bean.name();
gm = bean.graphManager();
this.remove = false;
out("new listener for " + this.listenerName);
}
public void reset()
{
this.oldValue = null;
this.newValue = null;
this.propertyName = null;
this.source = null;
this.index = -1;
}
public void traceParagraphs(Chapter c)
{
this.tracePara = c;
}
public void propertyChange(PropertyChangeEvent e)
{
this.oldValue = e.getOldValue();
this.newValue = e.getNewValue();
this.propertyName = e.getPropertyName();
this.source = e.getSource();
String n = this.propertyName;
this.index = gm.getPropertyIndex(n);
out("<Lnr:" + this.listenerName + " Evt:" + n +
" Src:" + this.source.getClass().getName() + ">");
if (remove)
{
out("<" + gm.getPropertyName(n) + "[" + this.index +
"]" + " - Parent: " + gm.getPropertyParentName(n) + ">");
}
else
{
out("<" + gm.getPropertyName(n) + "[" + this.index +
"]" + " - Parent: " + gm.getPropertyParentName(n) +
"/" + gm.getPropertyParent(n).getClass().getName() + ">");
}
if (this.tracePara != null)
{
String[] p = this.tracePara.getParagraph();
for (int i=0; i<p.length; i++)
out("From event listener: " + p[i]);
}
//out("received " + this.oldValue + "/" + this.newValue + "/" +
// this.propertyName);
}
public void removeMode()
{
this.remove = true;
}
public Object oldValue()
{
return this.oldValue;
}
public String stringOldValue()
{
if (this.oldValue == null)
return "<null>";
else
return this.oldValue.toString();
}
public Object newValue()
{
return this.newValue;
}
public String stringNewValue()
{
if (this.newValue == null)
return "<null>";
else
return this.newValue.toString();
}
public String name()
{
return this.propertyName;
}
public String toString()
{
return this.name() + " raised from source " +
this.source.getClass().getName();
}
}
public void run()
throws Exception
{
Book book;
this.readDocument();
out("creating the bean graph");
book = Book.createGraph(this.doc);
GraphManager gm = book.graphManager();
// Check that we can read the graph an it is complete
out("bean graph created");
//out(book.toString());
/*
* Book
* Index[1,n]
* Word - String
* Ref[1,n]
* Page - String
* Line - String
* Chapter[1,n]
* Comment? - String
* Paragraph[0,n] - String
* Summary? - String
* Author[1,n] - String
* Good - Boolean
* Available - Boolean
*/
//
// Set a change event on the root
//
MyListener l = new MyListener(book);
book.addPropertyChangeListener(l);
setTest("simple change event on the root");
l.reset();
String s = "This book is about how to raise the event familly";
// Change a property on the root - this should raises an event
book.setSummary(s);
// Check the received event
check(l.oldValue() == null, "(old value)");
check(l.newValue().equals(s), "(new value)");
setTest("change the same property on the root");
l.reset();
String s2 = "This book is about nothing at all";
// Change a property on the root - this should raises an event
book.setSummary(s2);
// Check the received event
check(l.oldValue().equals(s), "(old value)");
check(l.newValue().equals(s2), "(new value)");
setTest("remove this same property");
l.reset();
// Change a property on the root - this should raises an event
book.setSummary(null);
// Check the received event
check(l.oldValue().equals(s2), "(old value)");
check(l.newValue() == null, "(new value)");
//
// Keep the same event on the root, but change a property of another
// property (not a direct property of the root)
//
setTest("propagation of the event");
Chapter c = book.getChapter(0);
l.reset();
s = c.getComment();
s2 = "Comment on the first chapter";
c.setComment(s2);
check(l.oldValue.equals(s), "(oldvalue)");
check(l.newValue.equals(s2), "(newvalue)");
// Add three paragraphs
setTest("event on indexed property - add new");
l.reset();
s = "This is a new paragraph";
int i = c.addParagraph(s);
check(l.oldValue == null, "(no old value - new element)");
check(l.newValue.equals(s), "(new value)");
check(l.index == i, "(correct index)");
setTest("event on indexed property - add new");
l.reset();
s2 = "This is another paragraph";
int j = c.addParagraph(s2);
check(l.oldValue == null, "(no old value - new element)");
check(l.newValue.equals(s2), "(new value)");
check(l.index == j, "(correct index)");
setTest("event on indexed property - add new");
l.reset();
s2 = "This is yet another paragraph";
j = c.addParagraph(s2);
check(l.oldValue == null, "(no old element - new element)");
check(l.newValue.equals(s2), "(new value)");
check(l.index == j, "(correct index)");
// Remove the first added
setTest("event on indexed property - remove index");
l.reset();
c.setParagraph(i, null);
check(l.oldValue.equals(s), "(old value)");
check(l.newValue == null, "(no new value)");
check(l.index == i, "(correct index)");
setTest("event on indexed property - reset new");
l.reset();
c.setParagraph(i, s);
check(l.oldValue == null, "(old value)");
check(l.newValue.equals(s), "(no new value)");
check(l.index == i, "(correct index)");
//
// Add another listener on an intermediate node and on a leaf
//
Chapter c2 = book.getChapter(1);
MyListener l2 = new MyListener(c2);
// Get the events only for Paragraph changes
c2.addPropertyChangeListener("Paragraph", l2);
// Check that we receive the event twice
setTest("two listeners - both receiving");
l2.reset();
l.reset();
s = "This is a brand new one";
c2.addParagraph(s);
check(l.oldValue == null, "(no old value)");
check(l.newValue.equals(s), "(new value)");
check(l.oldValue == l2.oldValue, "(same old value - both listeners)");
check(l.newValue.equals(l2.newValue), "(same new value - both listeners)");
check(l.index == l2.index, "(same index - both listeners)");
check(l.source == l2.source, "(same source - both listeners)");
// Check that modifying the comment won't notify the Paragraph listener
setTest("two listeners - one receiving");
l2.reset();
l.reset();
s = "That's a new comment value";
c2.setComment(s);
check(l.newValue.equals(s), "(root listener: yep)");
check(l2.newValue == null, "(chapter listener: noop)");
// Remove the book listener
book.removePropertyChangeListener(l);
setTest("one listener - no receiving");
l2.reset();
l.reset();
s = "That's another new comment value";
c2.setComment(s);
check(l.newValue == null, "(root listener: noop)");
check(l2.newValue == null, "(chapter listener: noop)");
setTest("one listener - one receiving");
l2.reset();
l.reset();
s = "That's a brand new paragraph";
c2.addParagraph(s);
check(l.newValue == null, "(root listener: noop)");
check(l2.newValue.equals(s), "(chapter listener: yep)");
setTest("no listener - no receiving");
c2.removePropertyChangeListener("Paragraph", l2);
l2.reset();
l.reset();
s = "That's yet another brand new paragraph";
c2.addParagraph(s);
check(l.newValue == null, "(root listener: noop)");
check(l2.newValue == null, "(chapter listener: noop)");
// Register again the listeners
book.addPropertyChangeListener(l);
c2.addPropertyChangeListener("Paragraph", l2);
l.removeMode();
l2.removeMode();
l2.reset();
l.reset();
book.removeChapter(c2);
out("should have received paragraph events on Chapter and Chapter event on Book");
//
// Make sure that the event is triggered after the property
// has changed.
//
c = new Chapter();
c.addParagraph("1. this is a paragraph");
c.addParagraph("2. this is a paragraph");
c.addParagraph("3. this is a paragraph");
c.addParagraph("4. this is a paragraph");
out("should receive Chapter event and get 4 strings from the event");
l.traceParagraphs(c);
book.addChapter(c);
String[] pp = c.getParagraph();
String[] pp2 = new String[3];
pp2[0] = pp[0];
pp2[1] = pp[3];
pp2[2] = pp[2];
out("should receive Chapter event and get 3 strings from the event (1, 4, 3)");
c.setParagraph(pp2);
l.traceParagraphs(null);
}
}
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