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Code Issues Wiki Activity

Bug 272969 #checkBuildSystemChange should not reorder project natures

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This commit is contained in:
James Blackburn 2009-04-21 20:19:18 +00:00
parent 3bc0e2a9d1
commit 19354a7c8d
1 changed files with 26 additions and 17 deletions
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43
core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/settings/model/CProjectDescriptionManager.java
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@ -10,6 +10,7 @@
* Markus Schorn (Wind River Systems)
* IBM Corporation
* James Blackburn (Broadcom Corp.)
* Alex Blewitt Bug 132511 - nature order not preserved
*******************************************************************************/
package org.eclipse.cdt.internal.core.settings.model;
@ -22,14 +23,15 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import com.ibm.icu.text.MessageFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
@ -126,6 +128,8 @@ import org.w3c.dom.NodeList;
import org.w3c.dom.ProcessingInstruction;
import org.xml.sax.SAXException;
import com.ibm.icu.text.MessageFormat;
/**
* The CProjectDescriptionManager is to marshall the loading and storing
* of CDT Project Descriptions.
@ -719,25 +723,30 @@ public class CProjectDescriptionManager implements ICProjectDescriptionManager {
CConfigurationDataProviderDescriptor newDr = newBsId != null ? getCfgProviderDescriptor(newBsId) : null;
CConfigurationDataProviderDescriptor oldDr = oldBsId != null ? getCfgProviderDescriptor(oldBsId) : null;
String newNatures[] = newDr != null ? newDr.getNatureIds() : new String[0];
String oldNatures[] = oldDr != null ? oldDr.getNatureIds() : new String[0];
String conflictingNatures[] = newDr != null ? newDr.getConflictingNatureIds() : new String[0];
String natureIds[] = des.getNatureIds();
List<String> newNatures, oldNatures, conflictingNatures;
newNatures = oldNatures = conflictingNatures = Collections.emptyList();
if (oldDr != null)
oldNatures = Arrays.asList(oldDr.getNatureIds());
if (newDr != null) {
newNatures = Arrays.asList(newDr.getNatureIds());
conflictingNatures = Arrays.asList(newDr.getConflictingNatureIds());
}
Set<String> curSet = new HashSet<String>(Arrays.asList(natureIds));
// Set newSet = new HashSet(Arrays.asList(newNatures));
// Set oldSet = new HashSet(Arrays.asList(oldNatures));
HashSet<String> newCurSet = new HashSet<String>(curSet);
// newSet.removeAll(oldSet);
// oldSet.removeAll(tmp);
// List of existing natureIds
final String[] natureIds = des.getNatureIds();
// Get the set of items to remove ({oldNatures} - {newNatures}) + conflictingNatures
Set<String> toRemove = new HashSet<String>(oldNatures);
toRemove.removeAll(newNatures); // Don't remove items we're re-adding
toRemove.addAll(conflictingNatures); // Add conflicting natures for removal
// Modify an ordered set of the existing natures with the changes
final LinkedHashSet<String> cur = new LinkedHashSet<String>(Arrays.asList(natureIds));
cur.addAll(newNatures);
cur.removeAll(toRemove);
newCurSet.removeAll(Arrays.asList(oldNatures));
newCurSet.addAll(Arrays.asList(newNatures));
newCurSet.removeAll(Arrays.asList(conflictingNatures));
if(!newCurSet.equals(curSet)){
des.setNatureIds(newCurSet.toArray(new String[newCurSet.size()]));
final String[] newNatureIds = cur.toArray(new String[cur.size()]);
if (!Arrays.equals(newNatureIds, natureIds)) {
des.setNatureIds(newNatureIds);
return true;
}