| /* |
| * Copyright 1999,2004 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.catalina.connector; |
| |
| import java.io.IOException; |
| import java.security.AccessController; |
| import java.security.PrivilegedActionException; |
| import java.security.PrivilegedExceptionAction; |
| |
| import javax.servlet.ServletInputStream; |
| |
| |
| /** |
| * This class handles reading bytes. |
| * |
| * @author Remy Maucherat |
| * @author Jean-Francois Arcand |
| */ |
| public class CoyoteInputStream |
| extends ServletInputStream { |
| |
| |
| // ----------------------------------------------------- Instance Variables |
| |
| |
| protected InputBuffer ib; |
| |
| |
| // ----------------------------------------------------------- Constructors |
| |
| |
| protected CoyoteInputStream(InputBuffer ib) { |
| this.ib = ib; |
| } |
| |
| |
| // -------------------------------------------------------- Package Methods |
| |
| |
| /** |
| * Clear facade. |
| */ |
| void clear() { |
| ib = null; |
| } |
| |
| |
| // --------------------------------------------- ServletInputStream Methods |
| |
| |
| public int read() |
| throws IOException { |
| if (System.getSecurityManager() != null){ |
| |
| try{ |
| Integer result = |
| (Integer)AccessController.doPrivileged( |
| new PrivilegedExceptionAction(){ |
| |
| public Object run() throws IOException{ |
| Integer integer = new Integer(ib.readByte()); |
| return integer; |
| } |
| |
| }); |
| return result.intValue(); |
| } catch(PrivilegedActionException pae){ |
| Exception e = pae.getException(); |
| if (e instanceof IOException){ |
| throw (IOException)e; |
| } else { |
| throw new RuntimeException(e.getMessage()); |
| } |
| } |
| } else { |
| return ib.readByte(); |
| } |
| } |
| |
| public int available() throws IOException { |
| |
| if (System.getSecurityManager() != null){ |
| try{ |
| Integer result = |
| (Integer)AccessController.doPrivileged( |
| new PrivilegedExceptionAction(){ |
| |
| public Object run() throws IOException{ |
| Integer integer = new Integer(ib.available()); |
| return integer; |
| } |
| |
| }); |
| return result.intValue(); |
| } catch(PrivilegedActionException pae){ |
| Exception e = pae.getException(); |
| if (e instanceof IOException){ |
| throw (IOException)e; |
| } else { |
| throw new RuntimeException(e.getMessage()); |
| } |
| } |
| } else { |
| return ib.available(); |
| } |
| } |
| |
| public int read(final byte[] b) throws IOException { |
| |
| if (System.getSecurityManager() != null){ |
| try{ |
| Integer result = |
| (Integer)AccessController.doPrivileged( |
| new PrivilegedExceptionAction(){ |
| |
| public Object run() throws IOException{ |
| Integer integer = |
| new Integer(ib.read(b, 0, b.length)); |
| return integer; |
| } |
| |
| }); |
| return result.intValue(); |
| } catch(PrivilegedActionException pae){ |
| Exception e = pae.getException(); |
| if (e instanceof IOException){ |
| throw (IOException)e; |
| } else { |
| throw new RuntimeException(e.getMessage()); |
| } |
| } |
| } else { |
| return ib.read(b, 0, b.length); |
| } |
| } |
| |
| |
| public int read(final byte[] b, final int off, final int len) |
| throws IOException { |
| |
| if (System.getSecurityManager() != null){ |
| try{ |
| Integer result = |
| (Integer)AccessController.doPrivileged( |
| new PrivilegedExceptionAction(){ |
| |
| public Object run() throws IOException{ |
| Integer integer = |
| new Integer(ib.read(b, off, len)); |
| return integer; |
| } |
| |
| }); |
| return result.intValue(); |
| } catch(PrivilegedActionException pae){ |
| Exception e = pae.getException(); |
| if (e instanceof IOException){ |
| throw (IOException)e; |
| } else { |
| throw new RuntimeException(e.getMessage()); |
| } |
| } |
| } else { |
| return ib.read(b, off, len); |
| } |
| } |
| |
| |
| public int readLine(byte[] b, int off, int len) throws IOException { |
| return super.readLine(b, off, len); |
| } |
| |
| |
| /** |
| * Close the stream |
| * Since we re-cycle, we can't allow the call to super.close() |
| * which would permantely disable us. |
| */ |
| public void close() throws IOException { |
| |
| if (System.getSecurityManager() != null){ |
| try{ |
| AccessController.doPrivileged( |
| new PrivilegedExceptionAction(){ |
| |
| public Object run() throws IOException{ |
| ib.close(); |
| return null; |
| } |
| |
| }); |
| } catch(PrivilegedActionException pae){ |
| Exception e = pae.getException(); |
| if (e instanceof IOException){ |
| throw (IOException)e; |
| } else { |
| throw new RuntimeException(e.getMessage()); |
| } |
| } |
| } else { |
| ib.close(); |
| } |
| } |
| |
| } |