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/*******************************************************************************
* Copyright (c) 2009, 2010 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.equinox.internal.p2.operations;
import java.util.HashMap;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
/**
* ResolutionResult describes problems in a provisioning plan in a structured
* way that can be presented to a user.
*
* @since 2.0
*/
public class ResolutionResult {
private static final String NESTING_INDENT = " "; //$NON-NLS-1$
private final HashMap<IInstallableUnit, MultiStatus> iuToStatusMap = new HashMap<IInstallableUnit, MultiStatus>();
private MultiStatus summaryStatus;
public IStatus getSummaryStatus() {
if (summaryStatus != null)
return summaryStatus;
return Status.OK_STATUS;
}
public void setSummaryStatus(MultiStatus status) {
summaryStatus = status;
}
public void addSummaryStatus(IStatus status) {
if (summaryStatus == null) {
summaryStatus = new MultiStatus(Activator.ID, 0, Messages.ResolutionResult_SummaryStatus, null);
}
summaryStatus.add(status);
}
public IStatus statusOf(IInstallableUnit iu) {
return iuToStatusMap.get(iu);
}
public void addStatus(IInstallableUnit iu, IStatus status) {
MultiStatus iuSummaryStatus = iuToStatusMap.get(iu);
if (iuSummaryStatus == null) {
iuSummaryStatus = new MultiStatus(Activator.ID, IStatusCodes.IU_REQUEST_ALTERED, new IStatus[] {status}, getIUString(iu), null);
} else
iuSummaryStatus.add(status);
}
private String getIUString(IInstallableUnit iu) {
if (iu == null)
return Messages.PlanAnalyzer_Items;
// Get the iu name in the default locale
String name = iu.getProperty(IInstallableUnit.PROP_NAME, null);
if (name != null)
return name;
return iu.getId();
}
public String getSummaryReport() {
if (summaryStatus != null) {
StringBuffer buffer = new StringBuffer();
appendDetailText(summaryStatus, buffer, -1, false);
return buffer.toString();
}
return ""; //$NON-NLS-1$
}
// Answers null if there is nothing to say about the ius
public String getDetailedReport(IInstallableUnit[] ius) {
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < ius.length; i++) {
MultiStatus iuStatus = iuToStatusMap.get(ius[i]);
if (iuStatus != null)
appendDetailText(iuStatus, buffer, 0, true);
}
String report = buffer.toString();
if (report.length() == 0)
return null;
return report;
}
void appendDetailText(IStatus status, StringBuffer buffer, int indent, boolean includeTopLevelMessage) {
if (includeTopLevelMessage) {
for (int i = 0; i < indent; i++)
buffer.append(NESTING_INDENT);
if (status.getMessage() != null)
buffer.append(status.getMessage());
}
Throwable t = status.getException();
if (t != null) {
// A provision (or core) exception occurred. Get its status message or if none, its top level message.
// Indent by one more level (note the <=)
buffer.append('\n');
for (int i = 0; i <= indent; i++)
buffer.append(NESTING_INDENT);
if (t instanceof CoreException) {
IStatus exceptionStatus = ((CoreException) t).getStatus();
if (exceptionStatus != null && exceptionStatus.getMessage() != null)
buffer.append(exceptionStatus.getMessage());
else {
String details = t.getLocalizedMessage();
if (details != null)
buffer.append(details);
}
} else {
String details = t.getLocalizedMessage();
if (details != null)
buffer.append(details);
}
}
// Now print the children status info (if there are children)
IStatus[] children = status.getChildren();
for (int i = 0; i < children.length; i++) {
if (buffer.length() > 0)
buffer.append('\n');
appendDetailText(children[i], buffer, indent + 1, true);
}
}
}
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