com.ibm.jaql.io.hadoop.converter.TextToJsonString.java Source code

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Here is the source code for com.ibm.jaql.io.hadoop.converter.TextToJsonString.java

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/*
 * Copyright (C) IBM Corp. 2010.
 * 
 * Licensed 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 com.ibm.jaql.io.hadoop.converter;

import org.apache.hadoop.io.Text;

import com.ibm.jaql.io.converter.ToJson;
import com.ibm.jaql.json.schema.Schema;
import com.ibm.jaql.json.schema.SchemaFactory;
import com.ibm.jaql.json.type.JsonValue;
import com.ibm.jaql.json.type.MutableJsonString;

/** Convert a hadoop Text object to a JsonString */
public class TextToJsonString implements ToJson<Text> {

    @Override
    public MutableJsonString createTarget() {
        return new MutableJsonString();
    }

    @Override
    public Schema getSchema() {
        return SchemaFactory.stringSchema();
    }

    @Override
    public JsonValue convert(Text src, JsonValue target) {
        MutableJsonString str;
        if (target instanceof MutableJsonString) {
            str = (MutableJsonString) target;
        } else {
            str = new MutableJsonString();
        }
        str.set(src.getBytes(), src.getLength());
        return str;
    }
}