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/*******************************************************************************
* Copyright (c) 2000, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.core.runtime;
import java.util.*;
/**
* A concrete multi-status implementation,
* suitable either for instantiating or subclassing.
* <p>
* This class can be used without OSGi running.
* </p>
*/
public class MultiStatus extends Status {
/** List of child statuses.
*/
private final List<IStatus> children = new ArrayList<>();
/**
* Creates and returns a new multi-status object with the given children.
*
* @param pluginId the unique identifier of the relevant plug-in
* @param code the plug-in-specific status code
* @param newChildren the list of children status objects
* @param message a human-readable message, localized to the
* current locale
* @param exception a low-level exception, or <code>null</code> if not
* applicable
*/
public MultiStatus(String pluginId, int code, IStatus[] newChildren, String message, Throwable exception) {
this(pluginId, code, message, exception);
Assert.isLegal(newChildren != null);
addAllInternal(newChildren);
}
/**
* Creates and returns a new multi-status object with no children.
*
* @param pluginId the unique identifier of the relevant plug-in
* @param code the plug-in-specific status code
* @param message a human-readable message, localized to the
* current locale
* @param exception a low-level exception, or <code>null</code> if not
* applicable
*/
public MultiStatus(String pluginId, int code, String message, Throwable exception) {
super(OK, pluginId, code, message, exception);
}
/**
* Creates and returns a new multi-status object with no children.
*
* @param pluginId the unique identifier of the relevant plug-in
* @param code the plug-in-specific status code
* @param message a human-readable message, localized to the current locale
* @since 3.11
*/
public MultiStatus(String pluginId, int code, String message) {
super(OK, pluginId, code, message, null);
}
/**
* Adds the given status to this multi-status.
*
* @param status the new child status
*/
public void add(IStatus status) {
Assert.isLegal(status != null);
children.add(status);
int newSev = status.getSeverity();
if (newSev > getSeverity()) {
setSeverity(newSev);
}
}
/**
* Adds all of the children of the given status to this multi-status.
* Does nothing if the given status has no children (which includes
* the case where it is not a multi-status).
*
* @param status the status whose children are to be added to this one
*/
public void addAll(IStatus status) {
Assert.isLegal(status != null);
addAllInternal(status.getChildren());
}
private void addAllInternal(IStatus[] newChildren) {
int maxSeverity = getSeverity();
for (IStatus child : newChildren) {
Assert.isLegal(child != null);
int severity = child.getSeverity();
if (severity > maxSeverity)
maxSeverity = severity;
}
this.children.addAll(Arrays.asList(newChildren));
setSeverity(maxSeverity);
}
@Override
public IStatus[] getChildren() {
return children.toArray(new IStatus[0]);
}
@Override
public boolean isMultiStatus() {
return true;
}
/**
* Merges the given status into this multi-status.
* Equivalent to <code>add(status)</code> if the
* given status is not a multi-status.
* Equivalent to <code>addAll(status)</code> if the
* given status is a multi-status.
*
* @param status the status to merge into this one
* @see #add(IStatus)
* @see #addAll(IStatus)
*/
public void merge(IStatus status) {
Assert.isLegal(status != null);
if (!status.isMultiStatus()) {
add(status);
} else {
addAll(status);
}
}
/**
* Returns a string representation of the status, suitable
* for debugging purposes only.
*/
@Override
public String toString() {
StringJoiner joiner = new StringJoiner(" ", super.toString() + " children=[", "]"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
for (IStatus child : children) {
joiner.add(child.toString());
}
return joiner.toString();
}
}
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