| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| ~ 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.sling.scripting.bundle.tracker.internal.request; |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.nio.CharBuffer; |
| |
| import javax.servlet.ServletRequest; |
| |
| class OnDemandReader extends Reader { |
| |
| private final ServletRequest request; |
| |
| private Reader delegate; |
| |
| OnDemandReader(ServletRequest request) { |
| this.request = request; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| if (delegate != null) { |
| delegate.close(); |
| } |
| } |
| |
| @Override |
| public void mark(int readAheadLimit) throws IOException { |
| getReader().mark(readAheadLimit); |
| } |
| |
| @Override |
| public boolean markSupported() { |
| return (delegate != null) && delegate.markSupported(); |
| } |
| |
| @Override |
| public int read() throws IOException { |
| return getReader().read(); |
| } |
| |
| @Override |
| public int read(char[] cbuf, int off, int len) throws IOException { |
| return getReader().read(cbuf, off, len); |
| } |
| |
| @Override |
| public int read(char[] cbuf) throws IOException { |
| return getReader().read(cbuf); |
| } |
| |
| @Override |
| public int read(CharBuffer target) throws IOException { |
| return getReader().read(target); |
| } |
| |
| @Override |
| public boolean ready() throws IOException { |
| return getReader().ready(); |
| } |
| |
| @Override |
| public void reset() throws IOException { |
| if (delegate != null) { |
| delegate.reset(); |
| } |
| } |
| |
| @Override |
| public long skip(long n) throws IOException { |
| return getReader().skip(n); |
| } |
| |
| private Reader getReader() throws IOException { |
| if (delegate == null) { |
| delegate = request.getReader(); |
| } |
| return delegate; |
| } |
| } |