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The Amazon Web Services SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

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/*
 * Copyright 2010-2014 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.simpleemail.model;

import java.io.Serializable;

/**
 * 
 * Represents textual data, plus an optional character set specification.
 * 
 * 
 * By default, the text must be 7-bit ASCII, due to the constraints of
 * the SMTP protocol. If the text must contain any other characters, then
 * you must also specify a character set. Examples include UTF-8,
 * ISO-8859-1, and Shift_JIS.
 * 
 */
public class Content implements Serializable {

    /**
     * The textual data of the content.
     */
    private String data;

    /**
     * The character set of the content.
     */
    private String charset;

    /**
     * Default constructor for a new Content object.  Callers should use the
     * setter or fluent setter (with...) methods to initialize this object after creating it.
     */
    public Content() {}
    
    /**
     * Constructs a new Content object.
     * Callers should use the setter or fluent setter (with...) methods to
     * initialize any additional object members.
     * 
     * @param data The textual data of the content.
     */
    public Content(String data) {
        setData(data);
    }

    /**
     * The textual data of the content.
     *
     * @return The textual data of the content.
     */
    public String getData() {
        return data;
    }
    
    /**
     * The textual data of the content.
     *
     * @param data The textual data of the content.
     */
    public void setData(String data) {
        this.data = data;
    }
    
    /**
     * The textual data of the content.
     * 
     * Returns a reference to this object so that method calls can be chained together.
     *
     * @param data The textual data of the content.
     *
     * @return A reference to this updated object so that method calls can be chained 
     *         together.
     */
    public Content withData(String data) {
        this.data = data;
        return this;
    }

    /**
     * The character set of the content.
     *
     * @return The character set of the content.
     */
    public String getCharset() {
        return charset;
    }
    
    /**
     * The character set of the content.
     *
     * @param charset The character set of the content.
     */
    public void setCharset(String charset) {
        this.charset = charset;
    }
    
    /**
     * The character set of the content.
     * 
     * Returns a reference to this object so that method calls can be chained together.
     *
     * @param charset The character set of the content.
     *
     * @return A reference to this updated object so that method calls can be chained 
     *         together.
     */
    public Content withCharset(String charset) {
        this.charset = charset;
        return this;
    }

    /**
     * Returns a string representation of this object; useful for testing and
     * debugging.
     *
     * @return A string representation of this object.
     *
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getData() != null) sb.append("Data: " + getData() + ",");
        if (getCharset() != null) sb.append("Charset: " + getCharset() );
        sb.append("}");
        return sb.toString();
    }
    
    @Override
    public int hashCode() {
        final int prime = 31;
        int hashCode = 1;
        
        hashCode = prime * hashCode + ((getData() == null) ? 0 : getData().hashCode()); 
        hashCode = prime * hashCode + ((getCharset() == null) ? 0 : getCharset().hashCode()); 
        return hashCode;
    }
    
    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (obj == null) return false;

        if (obj instanceof Content == false) return false;
        Content other = (Content)obj;
        
        if (other.getData() == null ^ this.getData() == null) return false;
        if (other.getData() != null && other.getData().equals(this.getData()) == false) return false; 
        if (other.getCharset() == null ^ this.getCharset() == null) return false;
        if (other.getCharset() != null && other.getCharset().equals(this.getCharset()) == false) return false; 
        return true;
    }
    
}