| /* |
| * 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.felix.httplite.servlet; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import javax.servlet.ServletInputStream; |
| |
| /** |
| * Simple utility input stream class that provides a method for reading |
| * a line of characters, where a "line" is leniently defined as anything |
| * ending in '\n' or '\r\n'. |
| * |
| * Extends ServletInputStream |
| **/ |
| public class ConcreteServletInputStream extends ServletInputStream |
| { |
| private InputStream m_is; |
| private StringBuffer m_sb = new StringBuffer(); |
| |
| /** |
| * @param is InputStream |
| */ |
| public ConcreteServletInputStream(final InputStream is) |
| { |
| m_is = is; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#available() |
| */ |
| public int available() throws IOException |
| { |
| return m_is.available(); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#close() |
| */ |
| public void close() throws IOException |
| { |
| m_is.close(); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#mark(int) |
| */ |
| public void mark(int readlimit) |
| { |
| m_is.mark(readlimit); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#markSupported() |
| */ |
| public boolean markSupported() |
| { |
| return m_is.markSupported(); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#read() |
| */ |
| public int read() throws IOException |
| { |
| return m_is.read(); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#read(byte[]) |
| */ |
| public int read(final byte[] b) throws IOException |
| { |
| return m_is.read(b); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#read(byte[], int, int) |
| */ |
| public int read(final byte[] b, final int off, final int len) throws IOException |
| { |
| return m_is.read(b, off, len); |
| } |
| |
| /** |
| * @return The next line in the input stream or null for EOF |
| * @throws IOException on I/O error |
| */ |
| public String readLine() throws IOException |
| { |
| m_sb.delete(0, m_sb.length()); |
| int bytesRead = 0; |
| for (int i = m_is.read(); i >= 0; i = m_is.read()) |
| { |
| bytesRead++; |
| if ('\n' == (char) i) |
| { |
| break; |
| } |
| else if ('\r' != (char) i) |
| { |
| m_sb.append((char) i); |
| } |
| } |
| if (bytesRead == 0) |
| { |
| return null; |
| } |
| |
| return m_sb.toString(); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#reset() |
| */ |
| public void reset() throws IOException |
| { |
| m_is.reset(); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#skip(long) |
| */ |
| public long skip(final long n) throws IOException |
| { |
| return m_is.skip(n); |
| } |
| } |