org.apache.cxf.attachment.AttachmentUtil 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.
*/
package org.apache.cxf.attachment;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLEncoder;
import java.util.UUID;
import org.apache.cxf.helpers.HttpHeaderHelper;
import org.apache.cxf.message.Attachment;
public final class AttachmentUtil {
private static volatile int counter;
private static final String ATT_UUID = UUID.randomUUID().toString();
private AttachmentUtil() {
}
/**
* @param ns
* @return
*/
public static String createContentID(String ns) throws UnsupportedEncodingException {
// tend to change
String cid = "http://cxf.apache.org/";
String name = ATT_UUID + "-" + String.valueOf(++counter);
if (ns != null && (ns.length() > 0)) {
try {
URI uri = new URI(ns);
String host = uri.toURL().getHost();
cid = host;
} catch (URISyntaxException e) {
cid = ns;
} catch (MalformedURLException e) {
cid = ns;
}
}
return URLEncoder.encode(name, "UTF-8") + "@" + URLEncoder.encode(cid, "UTF-8");
}
public static String getUniqueBoundaryValue(int part) {
StringBuffer s = new StringBuffer();
// Unique string is ----=_Part__.
s.append("----=_Part_").append(part++).append("_").append(s.hashCode()).append('.').append(
System.currentTimeMillis());
return s.toString();
}
public static String getAttchmentPartHeader(Attachment att) {
StringBuffer buffer = new StringBuffer(200);
buffer.append(HttpHeaderHelper.getHeaderKey(HttpHeaderHelper.CONTENT_TYPE) + ": "
+ att.getDataHandler().getContentType() + ";\r\n");
if (att.isXOP()) {
buffer.append("Content-Transfer-Encoding: binary\r\n");
}
buffer.append("Content-ID: <" + att.getId() + ">\r\n\r\n");
return buffer.toString();
}
}