com.foxinmy.weixin4j.http.apache.mime.FormBodyPart Maven / Gradle / Ivy
/*
* ====================================================================
* 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
* .
*
*/
package com.foxinmy.weixin4j.http.apache.mime;
import com.foxinmy.weixin4j.http.ContentType;
import com.foxinmy.weixin4j.http.apache.content.AbstractContentBody;
import com.foxinmy.weixin4j.http.apache.content.ContentBody;
/**
* FormBodyPart class represents a content body that can be used as a part of multipart encoded
* entities. This class automatically populates the header with standard fields based on
* the content description of the enclosed body.
*
* @since 4.0
*/
public class FormBodyPart {
private final String name;
private final Header header;
private final ContentBody body;
FormBodyPart(final String name, final ContentBody body, final Header header) {
super();
this.name = name;
this.body = body;
this.header = header != null ? header : new Header();
}
/**
* (4.4) use {@link com.foxinmy.weixin4j.http.apache.mime.FormBodyPartBuilder}.
*/
public FormBodyPart(final String name, final ContentBody body) {
super();
this.name = name;
this.body = body;
this.header = new Header();
generateContentDisp(body);
generateContentType(body);
generateTransferEncoding(body);
}
public String getName() {
return this.name;
}
public ContentBody getBody() {
return this.body;
}
public Header getHeader() {
return this.header;
}
public void addField(final String name, final String value) {
this.header.addField(new MinimalField(name, value));
}
/**
* (4.4) use {@link com.foxinmy.weixin4j.http.apache.mime.FormBodyPartBuilder}.
*/
protected void generateContentDisp(final ContentBody body) {
final StringBuilder buffer = new StringBuilder();
buffer.append("form-data; name=\"");
buffer.append(getName());
buffer.append("\"");
if (body.getFilename() != null) {
buffer.append("; filename=\"");
buffer.append(body.getFilename());
buffer.append("\"");
}
addField(MIME.CONTENT_DISPOSITION, buffer.toString());
}
/**
* (4.4) use {@link com.foxinmy.weixin4j.http.apache.mime.FormBodyPartBuilder}.
*/
protected void generateContentType(final ContentBody body) {
final ContentType contentType;
if (body instanceof AbstractContentBody) {
contentType = ((AbstractContentBody) body).getContentType();
} else {
contentType = null;
}
if (contentType != null) {
addField(MIME.CONTENT_TYPE, contentType.toString());
} else {
final StringBuilder buffer = new StringBuilder();
buffer.append(body.getMimeType()); // MimeType cannot be null
if (body.getCharset() != null) { // charset may legitimately be null
buffer.append("; charset=");
buffer.append(body.getCharset());
}
addField(MIME.CONTENT_TYPE, buffer.toString());
}
}
/**
* (4.4) use {@link com.foxinmy.weixin4j.http.apache.mime.FormBodyPartBuilder}.
*/
protected void generateTransferEncoding(final ContentBody body) {
addField(MIME.CONTENT_TRANSFER_ENC, body.getTransferEncoding()); // TE cannot be null
}
}
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