| /* |
| * 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.axiom.attachments; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class IncomingAttachmentInputStream extends InputStream { |
| private Map<String,String> _headers = null; |
| |
| private Map<String,String> _headersLowerCase = 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_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<String,String> getHeaders() { |
| return _headers; |
| } |
| |
| /** |
| * Add a header. |
| * |
| * @param name |
| * @param value |
| */ |
| public void addHeader(String name, String value) { |
| if (_headers == null) { |
| _headers = new HashMap<String,String>(); |
| _headersLowerCase = new HashMap<String,String>(); |
| } |
| _headers.put(name, value); |
| _headersLowerCase.put(name.toLowerCase(), 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 (_headersLowerCase == null || (header = _headersLowerCase.get(name.toLowerCase())) == 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. |
| */ |
| @Override |
| public boolean markSupported() { |
| return false; |
| } |
| |
| @Override |
| public void reset() throws IOException { |
| throw new IOException("markNotSupported"); |
| } |
| |
| @Override |
| public void mark(int readLimit) { |
| // do nothing |
| } |
| |
| @Override |
| public int read() throws IOException { |
| int retval = _stream.read(); |
| parentContainer.setReadyToGetNextStream(retval == -1); |
| return retval; |
| } |
| |
| @Override |
| public int read(byte[] b) throws IOException { |
| int retval = _stream.read(b); |
| parentContainer.setReadyToGetNextStream(retval == -1); |
| return retval; |
| } |
| |
| @Override |
| public int read(byte[] b, int off, int len) throws IOException { |
| int retval = _stream.read(b, off, len); |
| parentContainer.setReadyToGetNextStream(retval == -1); |
| return retval; |
| } |
| } |