com.amazonaws.services.kinesis.clientlibrary.config.StringPropertyValueDecoder Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of amazon-kinesis-client Show documentation

The Amazon Kinesis Client Library for Java enables Java developers to easily consume and process data from Amazon Kinesis.

There is a newer version: 1.15.2

Show newest version

/*
 * Copyright 2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Amazon Software License (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/asl/
 *
 * 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.kinesis.clientlibrary.config;

import java.util.Arrays;
import java.util.List;

/**
 * Get string properties from properties file.
 */
class StringPropertyValueDecoder implements IPropertyValueDecoder {

    /**
     * package constructor for factory use only.
     */
    StringPropertyValueDecoder() {
    }

    /**
     * @param value the property value
     * @return the value as String
     */
    @Override
    public String decodeValue(String value) {
        // How to treat null or empty String should depend on those method who
        // uses the String value. Here just return the string as it is.
        if (value == null) {
            return null;
        }
        return value.trim(); 
    }

    /**
     * @return list of supported types
     */
    @Override
    public List> getSupportedTypes() {
        return Arrays.asList(String.class);
    }

}