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/*******************************************************************************
* Copyright (c) 2006 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.wst.xml.core.internal.validation.errorcustomization;
import java.util.Stack;
import org.eclipse.wst.xml.core.internal.validation.core.ValidationInfo;
import org.eclipse.wst.xml.core.internal.validation.core.ValidationMessage;
/**
* This class tracks the context of the parsed document to help identify error
* conditions
*/
public class ErrorCustomizationManager
{
protected Stack elementInformationStack = new Stack();
protected ErrorMessageInformation messageForConsideration;
/**
* This method should be called in the start element method of the XML validator's
* content handler.
*
* @param uri
* The namespace of the element.
* @param localName
* The local name of the element.
*/
public void startElement(String uri, String localName)
{
ElementInformation elementInformation = new ElementInformation(uri, localName);
if (elementInformationStack.size() > 0)
{
ElementInformation parent = (ElementInformation) elementInformationStack.peek();
parent.children.add(elementInformation);
}
elementInformationStack.push(elementInformation);
}
/**
* This method should be called in the end element method of the XML validator's
* content handler.
*
* @param uri
* The namespace of the element.
* @param localName
* The local name of the element.
*/
public void endElement(String uri, String localName)
{
if (elementInformationStack.size() > 0)
{
ElementInformation elementInformation = (ElementInformation)elementInformationStack.pop();
if (messageForConsideration != null)
{
IErrorMessageCustomizer[] customizers = ErrorCustomizationRegistry.getInstance().getCustomizers(elementInformation.getNamespace());
int numCustomizers = customizers.length;
for(int i = 0; i < numCustomizers; i++)
{
String message = customizers[i].customizeMessage(elementInformation, messageForConsideration.key, messageForConsideration.arguments);
if(message != null)
{
messageForConsideration.message.setMessage(message);
break;
}
}
}
}
}
/**
* Consider the reported error for customization.
*
* @param valInfo
* The current ValidationInfo object containing validation specific information.
* @param key
* The key related to the message.
* @param arguments
* Any message arguments.
*/
public void considerReportedError(ValidationInfo valInfo, String key, Object[] arguments)
{
messageForConsideration = null;
ValidationMessage[] messages = valInfo.getValidationMessages();
if (messages.length > 0)
{
messageForConsideration = new ErrorMessageInformation();
messageForConsideration.key = key;
messageForConsideration.arguments = arguments;
messageForConsideration.message = messages[messages.length - 1];
}
}
/**
* A simple class to hold error message information.
*/
public class ErrorMessageInformation
{
public String key = null;
public Object[] arguments = null;
public ValidationMessage message = null;
}
}
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