org.netbeans.modules.profiler.heapwalk.HintsController Maven / Gradle / Ivy
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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.netbeans.modules.profiler.heapwalk;
import java.awt.Color;
import java.net.URL;
import java.text.NumberFormat;
import java.util.Collection;
import java.util.List;
import javax.swing.AbstractButton;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import org.netbeans.lib.profiler.heap.Heap;
import org.netbeans.lib.profiler.heap.Instance;
import org.netbeans.lib.profiler.heap.JavaClass;
import org.netbeans.lib.profiler.ui.UIUtils;
import org.netbeans.modules.profiler.api.ProfilerDialogs;
import org.netbeans.modules.profiler.api.icons.Icons;
import org.netbeans.modules.profiler.heapwalk.details.spi.DetailsUtils;
import org.netbeans.modules.profiler.heapwalk.model.BrowserUtils;
import org.netbeans.modules.profiler.heapwalk.ui.HintsControllerUI;
import org.netbeans.modules.profiler.heapwalk.ui.icons.HeapWalkerIcons;
import org.openide.util.NbBundle;
/**
*
* @author Tomas Hurka
* @author Jiri Sedlacek
*/
@NbBundle.Messages({
"HintsController_NoData=<No Data>",
"HintsController_ClassName=Class Name",
"HintsController_RetainedSize=Retained Size",
"HintsController_ApplicationWindowsCaption=Application windows:"
})
public class HintsController extends AbstractController {
private static final String CLASS_URL_PREFIX = "file://class/"; // NOI18N
private static final String INSTANCE_URL_PREFIX = "file://instance/"; // NOI18N
//~ Instance fields ----------------------------------------------------------------------------------------------------------
private SummaryController summaryController;
//~ Constructors -------------------------------------------------------------------------------------------------------------
public HintsController(SummaryController summaryController) {
this.summaryController = summaryController;
}
//~ Methods ------------------------------------------------------------------------------------------------------------------
public SummaryController getSummaryController() {
return summaryController;
}
// --- Internal interface ----------------------------------------------------
public void createNavigationHistoryPoint() {
summaryController.getHeapFragmentWalker().createNavigationHistoryPoint();
}
public void showURL(final URL url) {
BrowserUtils.performTask(new Runnable() {
public void run() {
String urls = url.toString();
final HeapFragmentWalker heapFragmentWalker = summaryController.getHeapFragmentWalker();
if (urls.startsWith(INSTANCE_URL_PREFIX)) {
urls = urls.substring(INSTANCE_URL_PREFIX.length());
final String[] id = urls.split("/"); // NOI18N
long instanceId = Long.parseLong(id[2]);
final Instance i = heapFragmentWalker.getHeapFragment().getInstanceByID(instanceId);
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (i != null) {
heapFragmentWalker.getClassesController().showInstance(i);
} else {
ProfilerDialogs.displayError(Bundle.AnalysisController_CannotResolveInstanceMsg(id[1], id[0]));
}
}
});
} else if (urls.startsWith(CLASS_URL_PREFIX)) {
urls = urls.substring(CLASS_URL_PREFIX.length());
final String[] id = urls.split("/"); // NOI18N
long jclsId = Long.parseLong(id[1]);
final JavaClass c = heapFragmentWalker.getHeapFragment().getJavaClassByID(jclsId);
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (c != null) {
heapFragmentWalker.getClassesController().showClass(c);
} else {
ProfilerDialogs.displayError(Bundle.AnalysisController_CannotResolveClassMsg(id[0]));
}
}
});
}
}
});
}
public void computeBiggestObjects(final int number) {
BrowserUtils.performTask(new Runnable() {
public void run() {
int retainedSizesState = getSummaryController().getHeapFragmentWalker().
computeRetainedSizes(true, true);
final String result = retainedSizesState == HeapFragmentWalker.
RETAINED_SIZES_COMPUTED ?
findBiggestObjects(number) : Bundle.HintsController_NoData();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
((HintsControllerUI)getPanel()).setResult(result);
}
});
}
});
}
private String findBiggestObjects(int number) {
Heap heap = getSummaryController().getHeapFragmentWalker().getHeapFragment();
List bigObjects = heap.getBiggestObjectsByRetainedSize(number);
StringBuffer output = new StringBuffer();
JavaClass java_lang_Class = heap.getJavaClassByName(Class.class.getName());
NumberFormat formatter = NumberFormat.getInstance();
boolean oddRow = false;
Color oddRowBackground = UIUtils.getDarker(
UIUtils.getProfilerResultsBackground());
final String oddRowBackgroundString =
"rgb(" + oddRowBackground.getRed() + "," + //NOI18N
oddRowBackground.getGreen() + "," + //NOI18N
oddRowBackground.getBlue() + ")"; //NOI18N
output.append(""); // NOI18N
output.append(""); // NOI18N
addHeading(output, Bundle.HintsController_ClassName());
addHeading(output, Bundle.HintsController_RetainedSize());
output.append(" "); // NOI18N
for(Instance in : bigObjects) {
output.append(oddRow ? "" : // NOI18N
" "); // NOI18N
if (in.getJavaClass().equals(java_lang_Class)) {
JavaClass javaClass = heap.getJavaClassByID(in.getInstanceId());
addCell(output,printClass(javaClass), false);
} else {
addCell(output,printInstance(in), false);
}
addCell(output,formatter.format(in.getRetainedSize()), true);
output.append(" "); // NOI18N
oddRow = !oddRow;
}
output.append("
"); // NOI18N
return output.toString();
}
// --- Private implementation ------------------------------------------------
protected AbstractButton createControllerPresenter() {
return ((HintsControllerUI) getPanel()).getPresenter();
}
private void addHeading(StringBuffer output,String text) {
addTag(output,text,"th", false); // NOI18N
}
private void addCell(StringBuffer output,String text, boolean ralign) {
addTag(output,text,"td", ralign); // NOI18N
}
private void addTag(StringBuffer output,String text,String tag, boolean ralign) {
output.append("<").append(tag).append(ralign ? " style='text-align: right;'>" : ">"); // NOI18N
output.append(text);
output.append(""); // NOI18N
}
private String printInstance(Instance in) {
String className = in.getJavaClass().getName();
return "" + className + '#' + in.getInstanceNumber() + ""; // NOI18N
}
private String printClass(JavaClass jcls) {
String className = jcls.getName();
return "class " + className + ""; // NOI18N
}
private String printWindow(Instance window, Heap heap) {
boolean visible = DetailsUtils.getBooleanFieldValue(window, "visible", false); // NOI18N
if (!visible) return null;
String string = " "; // NOI18N
string += printInstance(window);
String details = DetailsUtils.getInstanceString(window, heap);
if (details != null) string += " - " + details; // NOI18N
return string;
}
private void populateUIPreview() {
boolean hasWindows = false;
StringBuilder sb = new StringBuilder();
String windowsRes = Icons.getResource(HeapWalkerIcons.WINDOW);
String hintsCaption = new String("![](nbresloc:/" + // NOI18N
windowsRes + ")
" + Bundle.HintsController_ApplicationWindowsCaption() + "
"); // NOI18N
sb.append(hintsCaption);
Heap heap = getSummaryController().getHeapFragmentWalker().getHeapFragment();
JavaClass frameClass = heap.getJavaClassByName("java.awt.Frame"); // NOI18N
if (frameClass != null) {
Collection frames = frameClass.getSubClasses();
for (JavaClass frame : frames) {
for (Instance f : (List)frame.getInstances()) {
String string = printWindow(f, heap);
if (string != null) {
sb.append(string);
sb.append("
"); // NOI18N
hasWindows = true;
}
}
}
}
frameClass = heap.getJavaClassByName("java.awt.Dialog"); // NOI18N
if (frameClass != null) {
Collection frames = frameClass.getSubClasses();
for (JavaClass frame : frames) {
for (Instance f : (List)frame.getInstances()) {
String string = printWindow(f, heap);
if (string != null) {
sb.append(string);
sb.append("
"); // NOI18N
hasWindows = true;
}
}
}
}
if (!hasWindows) return;
sb.append("
"); // NOI18N
final String s = sb.toString();
SwingUtilities.invokeLater(new Runnable() {
public void run() { ((HintsControllerUI)getPanel()).setComponents(s); }
});
}
// --- Protected implementation ----------------------------------------------
protected JPanel createControllerUI() {
HintsControllerUI ui = new HintsControllerUI(this);
BrowserUtils.performTask(new Runnable() {
public void run() { populateUIPreview(); }
});
return ui;
}
}
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