com.amazonaws.services.simpledb.model.transform.ItemStaxUnmarshaller Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aws-android-sdk-sdb Show documentation

The AWS Android SDK for Amazon SimpleDB module holds the client classes that are used for communicating with Amazon SimpleDB Service

There is a newer version: 2.79.0

Show newest version

/*
 * Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 * 
 *  http://aws.amazon.com/apache2.0
 * 
 * or in the "license" file accompanying this file. This file 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 com.amazonaws.services.simpledb.model.transform;

import java.util.Map;
import java.util.Map.Entry;

import org.xmlpull.v1.XmlPullParser;

import com.amazonaws.services.simpledb.model.*;
import com.amazonaws.transform.Unmarshaller;
import com.amazonaws.transform.MapEntry;
import com.amazonaws.transform.StaxUnmarshallerContext;
import com.amazonaws.transform.SimpleTypeStaxUnmarshallers.*;

/**
 * Item StAX Unmarshaller
 */
public class ItemStaxUnmarshaller implements Unmarshaller {

    public Item unmarshall(StaxUnmarshallerContext context) throws Exception {
        Item item = new Item();
        int originalDepth = context.getCurrentDepth();
        int targetDepth = originalDepth + 1;

        if (context.isStartOfDocument()) targetDepth += 2;

        while (true) {
            int xmlEvent = context.nextEvent();
            if (xmlEvent == XmlPullParser.END_DOCUMENT) return item;

            if (xmlEvent == XmlPullParser.START_TAG) {
                if (context.testExpression("Name", targetDepth)) {
                    item.setName(StringStaxUnmarshaller.getInstance().unmarshall(context));
                    continue;
                }
                if (context.testExpression("Name/@encoding", targetDepth)) {
                    item.setAlternateNameEncoding(StringStaxUnmarshaller.getInstance().unmarshall(context));
                    continue;
                }
                if (context.testExpression("Attribute", targetDepth)) {
                    item.getAttributes().add(AttributeStaxUnmarshaller.getInstance().unmarshall(context));
                    continue;
                }
            } else if (xmlEvent == XmlPullParser.END_TAG) {
                if (context.getCurrentDepth() < originalDepth) {
                    return item;
                }
            }
        }
    }

    private static ItemStaxUnmarshaller instance;
    public static ItemStaxUnmarshaller getInstance() {
        if (instance == null) instance = new ItemStaxUnmarshaller();
        return instance;
    }
}