StringBody.java
/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package com.foxinmy.weixin4j.http.apache.content;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import com.foxinmy.weixin4j.http.ContentType;
import com.foxinmy.weixin4j.http.apache.mime.MIME;
import com.foxinmy.weixin4j.util.Consts;
/**
* Text body part backed by a byte array.
*
* @see org.apache.http.entity.mime.MultipartEntityBuilder
*
* @since 4.0
*/
public class StringBody extends AbstractContentBody {
private final byte[] content;
/**
* @since 4.1
*
* @deprecated (4.3) use {@link StringBody#StringBody(String, ContentType)}
* or {@link org.apache.http.entity.mime.MultipartEntityBuilder}
*/
@Deprecated
public static StringBody create(
final String text,
final String mimeType,
final Charset charset) throws IllegalArgumentException {
try {
return new StringBody(text, mimeType, charset);
} catch (final UnsupportedEncodingException ex) {
throw new IllegalArgumentException("Charset " + charset + " is not supported", ex);
}
}
/**
* @since 4.1
*
* @deprecated (4.3) use {@link StringBody#StringBody(String, ContentType)}
* or {@link org.apache.http.entity.mime.MultipartEntityBuilder}
*/
@Deprecated
public static StringBody create(
final String text, final Charset charset) throws IllegalArgumentException {
return create(text, null, charset);
}
/**
* @since 4.1
*
* @deprecated (4.3) use {@link StringBody#StringBody(String, ContentType)}
* or {@link org.apache.http.entity.mime.MultipartEntityBuilder}
*/
@Deprecated
public static StringBody create(final String text) throws IllegalArgumentException {
return create(text, null, null);
}
/**
* Create a StringBody from the specified text, MIME type and character set.
*
* @param text to be used for the body, not {@code null}
* @param mimeType the MIME type, not {@code null}
* @param charset the character set, may be {@code null}, in which case the US-ASCII charset is used
* @throws UnsupportedEncodingException
* @throws IllegalArgumentException if the {@code text} parameter is null
*
*/
public StringBody(
final String text,
final String mimeType,
final Charset charset) throws UnsupportedEncodingException {
this(text, ContentType.create(mimeType, charset != null ? charset : Consts.UTF_8));
}
/**
* Create a StringBody from the specified text and character set.
* The MIME type is set to "text/plain".
*
* @param text to be used for the body, not {@code null}
* @param charset the character set, may be {@code null}, in which case the US-ASCII charset is used
* @throws UnsupportedEncodingException
* @throws IllegalArgumentException if the {@code text} parameter is null
*
*/
public StringBody(final String text, final Charset charset) throws UnsupportedEncodingException {
this(text, "text/plain", charset);
}
/**
* Create a StringBody from the specified text.
* The MIME type is set to "text/plain".
* The {@linkplain Consts#ASCII ASCII} charset is used.
*
* @param text to be used for the body, not {@code null}
* @throws UnsupportedEncodingException
* @throws IllegalArgumentException if the {@code text} parameter is null
*
*/
public StringBody(final String text) throws UnsupportedEncodingException {
this(text, "text/plain", Consts.UTF_8);
}
/**
* @since 4.3
*/
public StringBody(final String text, final ContentType contentType) {
super(contentType);
final Charset charset = contentType.getCharset();
this.content = text.getBytes(charset != null ? charset : Consts.UTF_8);
}
public Reader getReader() {
final Charset charset = getContentType().getCharset();
return new InputStreamReader(
new ByteArrayInputStream(this.content),
charset != null ? charset : Consts.UTF_8);
}
@Override
public void writeTo(final OutputStream out) throws IOException {
final InputStream in = new ByteArrayInputStream(this.content);
final byte[] tmp = new byte[4096];
int l;
while ((l = in.read(tmp)) != -1) {
out.write(tmp, 0, l);
}
out.flush();
}
@Override
public String getTransferEncoding() {
return MIME.ENC_8BIT;
}
@Override
public long getContentLength() {
return this.content.length;
}
@Override
public String getFilename() {
return null;
}
}