/*******************************************************************************
* Copyright (c) 2004, 2013 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ant.internal.ui.model;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.RuntimeConfigurable;
import org.apache.tools.ant.Task;
import org.eclipse.ant.core.AntSecurityException;
import org.eclipse.ant.internal.ui.AntUIImages;
import org.eclipse.ant.internal.ui.IAntUIConstants;
import org.eclipse.ant.internal.ui.preferences.AntEditorPreferenceConstants;
import org.eclipse.jface.resource.ImageDescriptor;
public class AntTaskNode extends AntElementNode {
private Task fTask = null;
protected String fBaseLabel = null;
protected String fLabel;
private String fId = null;
protected boolean fConfigured = false;
public AntTaskNode(Task task) {
super(task.getTaskName());
fTask = task;
}
public AntTaskNode(Task task, String label) {
super(task.getTaskName());
fTask = task;
fBaseLabel = label;
}
@Override
public String getLabel() {
if (fLabel == null) {
StringBuffer label = new StringBuffer();
if (fBaseLabel != null) {
label.append(fBaseLabel);
} else if (fId != null) {
label.append(fId);
} else {
label.append(fTask.getTaskName());
}
if (isExternal()) {
appendEntityName(label);
}
fLabel = label.toString();
}
return fLabel;
}
public void setBaseLabel(String label) {
fBaseLabel = label;
}
public Task getTask() {
return fTask;
}
public void setTask(Task task) {
fTask = task;
}
@Override
protected ImageDescriptor getBaseImageDescriptor() {
if (fId != null) {
return AntUIImages.getImageDescriptor(IAntUIConstants.IMG_ANT_TYPE);
}
return super.getBaseImageDescriptor();
}
/**
* The reference id for this task
*
* @param id
* The reference id for this task
*/
public void setId(String id) {
fId = id;
}
/**
* Returns the reference id for this task or <code>null</code> if it has no reference id.
*
* @return The reference id for this task
*/
public String getId() {
return fId;
}
/**
* Configures the associated task if required. Allows subclasses to do specific configuration (such as executing the task) by calling
* <code>nodeSpecificConfigure</code>
*
* @return whether the configuration of this node could have impact on other nodes
*/
public boolean configure(boolean validateFully) {
if (getId() != null) {
// ensure that references are set...new for Ant 1.7
try {
getProjectNode().getProject().getReference(getId());
}
catch (BuildException e) {
handleBuildException(e, AntEditorPreferenceConstants.PROBLEM_TASKS);
}
}
if (!validateFully || (getParentNode() instanceof AntTaskNode)) {
return false;
}
if (fConfigured) {
return false;
}
int severity = AntModelProblem.getSeverity(AntEditorPreferenceConstants.PROBLEM_TASKS);
if (severity != AntModelProblem.NO_PROBLEM) {
// only configure if the user cares about the problems
try {
getTask().maybeConfigure();
fConfigured = true;
return true;
}
catch (BuildException be) {
handleBuildException(be, AntEditorPreferenceConstants.PROBLEM_TASKS);
}
catch (AntSecurityException se) {
// either a system exit or setting of system property was attempted
handleBuildException(new BuildException(AntModelMessages.AntTaskNode_0), AntEditorPreferenceConstants.PROBLEM_SECURITY);
}
}
return false;
}
protected void handleBuildException(BuildException be, String preferenceKey) {
int severity = AntModelProblem.getSeverity(preferenceKey);
if (severity != AntModelProblem.NO_PROBLEM) {
getAntModel().handleBuildException(be, this, severity);
}
}
@Override
public boolean containsOccurrence(String identifier) {
RuntimeConfigurable wrapper = getTask().getRuntimeConfigurableWrapper();
Map<String, Object> attributeMap = wrapper.getAttributeMap();
Set<String> keys = attributeMap.keySet();
boolean lookingForProperty = identifier.startsWith("${") && identifier.endsWith("}"); //$NON-NLS-1$ //$NON-NLS-2$
for (Iterator<String> iter = keys.iterator(); iter.hasNext();) {
String key = iter.next();
String value = (String) attributeMap.get(key);
if (lookingForProperty && (key.equals("if") || key.equals("unless"))) { //$NON-NLS-1$ //$NON-NLS-2$
if (value.indexOf(identifier.substring(2, identifier.length() - 1)) != -1) {
return true;
}
} else if (value.indexOf(identifier) != -1) {
return true;
}
}
StringBuffer text = wrapper.getText();
if (text.length() > 0) {
if (lookingForProperty && text.indexOf(identifier) != -1) {
return true; // property ref in text
}
}
return false;
}
@Override
public List<Integer> computeIdentifierOffsets(String identifier) {
String textToSearch = getAntModel().getText(getOffset(), getLength());
if (textToSearch == null || textToSearch.length() == 0 || identifier.length() == 0) {
return null;
}
List<Integer> results = new ArrayList<>();
RuntimeConfigurable wrapper = getTask().getRuntimeConfigurableWrapper();
Map<String, Object> attributeMap = wrapper.getAttributeMap();
Set<String> keys = attributeMap.keySet();
String lineSep = System.getProperty("line.separator"); //$NON-NLS-1$
for (Iterator<String> iter = keys.iterator(); iter.hasNext();) {
String key = iter.next();
String value = (String) attributeMap.get(key);
int identifierCorrection = 1;
if (value.indexOf(identifier) != -1) {
int keyOffset = textToSearch.indexOf(key);
while (keyOffset > 0 && !Character.isWhitespace(textToSearch.charAt(keyOffset - 1))) {
keyOffset = textToSearch.indexOf(key, keyOffset + 1);
}
int valueOffset = textToSearch.indexOf('"', keyOffset);
int valueLine = ((AntModel) getAntModel()).getLine(getOffset() + valueOffset);
int withinValueOffset = value.indexOf(identifier);
while (withinValueOffset != -1) {
int resultLine = ((AntModel) getAntModel()).getLine(getOffset() + valueOffset + withinValueOffset);
// the value stored in the attribute map seems to be modified to not contain control characters
// new lines, carriage returns and these are replaced with spaces
// so if the line separator is greater than 1 in length we need to correct for this
int resultOffset = getOffset() + valueOffset + withinValueOffset + identifierCorrection
+ ((resultLine - valueLine) * (lineSep.length() - 1));
results.add(new Integer(resultOffset));
withinValueOffset = value.indexOf(identifier, withinValueOffset + 1);
}
}
}
String text = wrapper.getText().toString().trim();
if (text.length() > 0) {
int offset = textToSearch.indexOf(text.toString());
offset = textToSearch.indexOf(identifier, offset);
results.add(new Integer(offset + getOffset()));
}
return results;
}
}