/*******************************************************************************
* Copyright (c) 2001, 2005 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.jst.j2ee.internal;
/**
* @author DABERG
*/
public class J2EEMultiStatus extends J2EEStatus {
private J2EEStatus[] children = new J2EEStatus[0];
public void add(J2EEStatus status) {
J2EEStatus[] result =
new J2EEStatus[children.length + 1];
System.arraycopy(children, 0, result, 0, children.length);
result[result.length - 1] = status;
children = result;
int newSev = status.getSeverity();
int currentSev = getSeverity();
/* If all the statuses are NOT_NEEDED OR NOT_POSSIBLE, you want the combined status to be the highest severity
* however, if all but one status are NOT_NEEDED or NOT_POSSIBLE, and one status completed, then the combined status
* should be OK. If there is a warning or error, then they take precedence
*/
if (children.length == 1)
setSeverity(newSev);
else if (currentSev > COMPLETED_OK && currentSev < WARNING && newSev == COMPLETED_OK)
setSeverity(newSev);
else if (newSev > currentSev && (currentSev != COMPLETED_OK || newSev >= WARNING) )
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(J2EEStatus status) {
if (status == null)
return;
J2EEStatus[] statuses = status.getChildren();
for (int i = 0; i < statuses.length; i++) {
add(statuses[i]);
}
}
@Override
public J2EEStatus[] getChildren() {
return children;
}
@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
* @see #addAll
*/
public void merge(J2EEStatus status) {
if (status == null)
return;
if (!status.isMultiStatus()) {
add(status);
} else {
addAll(status);
}
}
/**
* Returns a string representation of the status, suitable
* for debugging purposes only.
*/
@Override
public String toString() {
StringBuffer buf = new StringBuffer(super.toString());
buf.append(" children={"); //$NON-NLS-1$
for (int i = 0; i < children.length; i++) {
if (i != 0) {
buf.append("\n"); //$NON-NLS-1$
}
buf.append(children[i].toString());
}
buf.append("}"); //$NON-NLS-1$
return buf.toString();
}
/**
* @see com.ibm.ejs.models.base.extensions.helper.J2EEStatus#append(J2EEStatus)
*/
@Override
public J2EEStatus append(J2EEStatus aStatus) {
if (aStatus != null)
merge(aStatus);
return this;
}
public boolean isEmpty() {
return children.length == 0;
}
}