/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* 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
*
* 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.axis.attachments;
import org.apache.axis.Part;
import org.apache.axis.components.logger.LogFactory;
import org.apache.axis.transport.http.HTTPConstants;
import org.apache.axis.utils.Messages;
import org.apache.commons.logging.Log;
import javax.activation.DataHandler;
/**
* This simulates the multipart stream.
*
* @author Rick Rineholt
*/
public class MultiPartDimeInputStream extends MultiPartInputStream {
protected static Log log =
LogFactory.getLog(MultiPartDimeInputStream.class.getName());
protected java.util.HashMap parts = new java.util.HashMap();
protected java.util.LinkedList orderedParts = new java.util.LinkedList();
protected int rootPartLength = 0;
protected boolean closed = false; //If true the stream has been closed.
protected boolean eos = false; //This is set once the SOAP packet has reached the end of stream.
//This stream controls and manages the boundary.
protected DimeDelimitedInputStream dimeDelimitedStream = null;
protected java.io.InputStream soapStream = null; //Set the soap stream once found.
protected byte[] boundary = null;
protected java.io.ByteArrayInputStream cachedSOAPEnvelope = null; //Caches the soap stream if it is
//Still open and a reference to read data in a later attachment occurs.
protected String contentId = null;
/**
* Create a new Multipart stream from an input stream.
*
* @param is the true input stream that is read from
* @throws java.io.IOException if it was not possible to build the Multipart
*/
public MultiPartDimeInputStream (java.io.InputStream is)
throws java.io.IOException {
super(null); //don't cache this stream.
soapStream = dimeDelimitedStream = new DimeDelimitedInputStream(is); //The Soap stream must always be first
contentId = dimeDelimitedStream.getContentId();
}
public Part getAttachmentByReference(final String[] id)
throws org.apache.axis.AxisFault {
//First see if we have read it in yet.
Part ret = null;
try {
for (int i = id.length - 1; ret == null && i > -1; --i) {
ret = (AttachmentPart) parts.get(id[i]);
}
if (null == ret) {
ret = readTillFound(id);
}
log.debug(Messages.getMessage("return02",
"getAttachmentByReference(\"" + id + "\"",
(ret == null ? "null" : ret.toString())));
} catch (java.io.IOException e) {
throw new org.apache.axis.AxisFault(e.getClass().getName()
+ e.getMessage());
}
return ret;
}
protected void addPart(String contentId, String locationId,
AttachmentPart ap) {
//For DIME streams Content-Location is ignored.
if (contentId != null && contentId.trim().length() != 0)
parts.put(contentId, ap);
orderedParts.add(ap);
}
//Shouldn't never match
protected static final String[] READ_ALL = { " * \0 ".intern()};
protected void readAll() throws org.apache.axis.AxisFault {
try {
readTillFound(READ_ALL);
} catch (Exception e) {
throw org.apache.axis.AxisFault.makeFault(e);
}
}
public java.util.Collection getAttachments()
throws org.apache.axis.AxisFault {
readAll();
return new java.util.LinkedList(orderedParts);
}
/**
* This will read streams in till the one that is needed is found.
*
* @param id is the stream being sought
* @return a <code>Part</code> matching the ids
*/
protected Part readTillFound(final String[] id)
throws java.io.IOException {
if (dimeDelimitedStream == null) {
//The whole stream has been consumed already
return null;
}
Part ret = null;
try {
if (soapStream != null) { //Still on the SOAP stream.
if (!eos) { //The SOAP packet has not been fully read yet. Need to store it away.
java.io.ByteArrayOutputStream soapdata =
new java.io.ByteArrayOutputStream(1024 * 8);
byte[] buf = new byte[1024 * 16];
int byteread = 0;
do {
byteread = soapStream.read(buf);
if (byteread > 0) {
soapdata.write(buf, 0, byteread);
}
} while (byteread > -1);
soapdata.close();
soapStream.close();
soapStream = new java.io.ByteArrayInputStream(
soapdata.toByteArray());
}
dimeDelimitedStream = dimeDelimitedStream.getNextStream();
}
//Now start searching for the data.
if (null != dimeDelimitedStream) {
do {
String contentId = dimeDelimitedStream.getContentId();
String type = dimeDelimitedStream.getType();
if (type != null && !dimeDelimitedStream.getDimeTypeNameFormat().equals(DimeTypeNameFormat.MIME)) {
type = "application/uri; uri=\"" + type + "\"";
}
ManagedMemoryDataSource source = new ManagedMemoryDataSource(dimeDelimitedStream,
ManagedMemoryDataSource.MAX_MEMORY_DISK_CACHED, type, true);
DataHandler dh = new DataHandler(source);
AttachmentPart ap = new AttachmentPart(dh);
if (contentId != null) {
ap.setMimeHeader(HTTPConstants.HEADER_CONTENT_ID, contentId);
}
addPart(contentId, "", ap);
for (int i = id.length - 1; ret == null && i > -1; --i) {
if (contentId != null && id[i].equals(contentId)) { //This is the part being sought
ret = ap;
}
}
dimeDelimitedStream =
dimeDelimitedStream.getNextStream();
}
while (null == ret && null != dimeDelimitedStream);
}
} catch (Exception e) {
throw org.apache.axis.AxisFault.makeFault(e);
}
return ret;
}
/**
* Return the content location.
* @return the Content-Location of the stream.
* Null if no content-location specified.
*/
public String getContentLocation() {
return null;
}
/**
* Return the content id of the stream.
*
* @return the Content-Location of the stream.
* Null if no content-location specified.
*/
public String getContentId() {
return contentId;
}
public int read(byte[] b, int off, int len)
throws java.io.IOException {
if (closed) {
throw new java.io.IOException(Messages.getMessage(
"streamClosed"));
}
if (eos) {
return -1;
}
int read = soapStream.read(b, off, len);
if (read < 0) {
eos = true;
}
return read;
}
public int read(byte[] b) throws java.io.IOException {
return read(b, 0, b.length);
}
public int read() throws java.io.IOException {
if (closed) {
throw new java.io.IOException(Messages.getMessage(
"streamClosed"));
}
if (eos) {
return -1;
}
int ret = soapStream.read();
if (ret < 0) {
eos = true;
}
return ret;
}
public void close() throws java.io.IOException {
closed = true;
soapStream.close();
}
}
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