org.jclouds.ultradns.ws.xml.UltraWSExceptionHandler.java Source code

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Here is the source code for org.jclouds.ultradns.ws.xml.UltraWSExceptionHandler.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jclouds.ultradns.ws.xml;

import static org.jclouds.util.SaxUtils.currentOrNull;
import static org.jclouds.util.SaxUtils.equalsOrSuffix;

import org.jclouds.http.functions.ParseSax;
import org.jclouds.ultradns.ws.UltraDNSWSError;

import com.google.common.base.Optional;

/**
 * 
 * @author Adrian Cole
 */
public class UltraWSExceptionHandler extends ParseSax.HandlerForGeneratedRequestWithResult<UltraDNSWSError> {

    private StringBuilder currentText = new StringBuilder();
    private int code = -1;
    private String description;

    @Override
    public UltraDNSWSError getResult() {
        return code != -1 ? UltraDNSWSError.fromCodeAndDescription(code, Optional.fromNullable(description)) : null;
    }

    @Override
    public void endElement(String uri, String name, String qName) {
        if (equalsOrSuffix(qName, "errorCode")) {
            code = Integer.parseInt(currentOrNull(currentText));
        } else if (equalsOrSuffix(qName, "errorDescription")) {
            description = currentOrNull(currentText);
        }
        currentText = new StringBuilder();
    }

    @Override
    public void characters(char ch[], int start, int length) {
        currentText.append(ch, start, length);
    }

}