org.springframework.mock.http.MockHttpOutputMessage.java Source code

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Here is the source code for org.springframework.mock.http.MockHttpOutputMessage.java

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/*
 * Copyright 2002-2017 the original author or authors.
 *
 * 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
 *
 *      https://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.springframework.mock.http;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;

import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpOutputMessage;

/**
 * Mock implementation of {@link HttpOutputMessage}.
 *
 * @author Rossen Stoyanchev
 * @since 3.2
 */
public class MockHttpOutputMessage implements HttpOutputMessage {

    private static final Charset DEFAULT_CHARSET = StandardCharsets.UTF_8;

    private final HttpHeaders headers = new HttpHeaders();

    private final ByteArrayOutputStream body = new ByteArrayOutputStream(1024);

    /**
     * Return the headers.
     */
    @Override
    public HttpHeaders getHeaders() {
        return this.headers;
    }

    /**
     * Return the body content.
     */
    @Override
    public OutputStream getBody() throws IOException {
        return this.body;
    }

    /**
     * Return body content as a byte array.
     */
    public byte[] getBodyAsBytes() {
        return this.body.toByteArray();
    }

    /**
     * Return the body content interpreted as a UTF-8 string.
     */
    public String getBodyAsString() {
        return getBodyAsString(DEFAULT_CHARSET);
    }

    /**
     * Return the body content as a string.
     * @param charset the charset to use to turn the body content to a String
     */
    public String getBodyAsString(Charset charset) {
        byte[] bytes = getBodyAsBytes();
        return new String(bytes, charset);
    }

}