| /* |
| * Copyright 2004,2005 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.axiom.attachments; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class IncomingAttachmentInputStream extends InputStream { |
| private HashMap _headers = null; |
| |
| private InputStream _stream = null; |
| private IncomingAttachmentStreams parentContainer; |
| |
| public static final String HEADER_CONTENT_DESCRIPTION = "content-description"; |
| public static final String HEADER_CONTENT_TYPE = "content-type"; |
| public static final String HEADER_CONTENT_TRANSFER_ENCODING = "content-transfer-encoding"; |
| public static final String HEADER_CONTENT_TYPE_JMS = "contentType"; |
| public static final String HEADER_CONTENT_LENGTH = "content-length"; |
| public static final String HEADER_CONTENT_LOCATION = "content-location"; |
| public static final String HEADER_CONTENT_ID = "content-id"; |
| |
| /** |
| * @param in |
| */ |
| public IncomingAttachmentInputStream(InputStream in, IncomingAttachmentStreams parentContainer) { |
| _stream = in; |
| this.parentContainer = parentContainer; |
| } |
| |
| /** |
| * @return MIME headers for this attachment. May be null if no headers |
| * were set. |
| */ |
| public Map getHeaders() { |
| return _headers; |
| } |
| |
| /** |
| * Add a header. |
| * |
| * @param name |
| * @param value |
| */ |
| public void addHeader(String name, String value) { |
| if (_headers == null) { |
| _headers = new HashMap(); |
| } |
| _headers.put(name, value); |
| } |
| |
| /** |
| * Get a header value. |
| * |
| * @param name |
| * @return The header found or null if not found. |
| */ |
| public String getHeader(String name) { |
| Object header = null; |
| if (_headers == null || (header = _headers.get(name)) == null) { |
| return null; |
| } |
| return header.toString(); |
| } |
| |
| /** |
| * @return The header with HTTPConstants.HEADER_CONTENT_ID as the key. |
| */ |
| public String getContentId() { |
| return getHeader(HEADER_CONTENT_ID); |
| } |
| |
| /** |
| * @return The header with HTTPConstants.HEADER_CONTENT_LOCATION as the |
| * key. |
| */ |
| public String getContentLocation() { |
| return getHeader(HEADER_CONTENT_LOCATION); |
| } |
| |
| /** |
| * @return The header with HTTPConstants.HEADER_CONTENT_TYPE as the key. |
| */ |
| public String getContentType() { |
| return getHeader(HEADER_CONTENT_TYPE); |
| } |
| |
| /** |
| * Don't want to support mark and reset since this may get us into |
| * concurrency problem when different pieces of software may have a |
| * handle to the underlying InputStream. |
| */ |
| public boolean markSupported() { |
| return false; |
| } |
| |
| public void reset() throws IOException { |
| throw new IOException("markNotSupported"); |
| } |
| |
| public void mark(int readLimit) { |
| // do nothing |
| } |
| |
| public int read() throws IOException { |
| int retval = _stream.read(); |
| parentContainer.setReadyToGetNextStream(retval == -1); |
| return retval; |
| } |
| |
| public int read(byte[] b) throws IOException { |
| int retval = _stream.read(b); |
| parentContainer.setReadyToGetNextStream(retval == -1); |
| return retval; |
| } |
| |
| public int read(byte[] b, int off, int len) throws IOException { |
| int retval = _stream.read(b, off, len); |
| parentContainer.setReadyToGetNextStream(retval == -1); |
| return retval; |
| } |
| } |