java 实现Http代理 (5)

这里是HttpResponse

/* * $RCSfile: HttpResponse.java,v $$ * $Revision: 1.1  $ * $Date: 2007-4-15  $ * * Copyright (C) 2008 Skin, Inc. All rights reserved. * * This software is the proprietary information of Skin, Inc. * Use is subject to license terms. */package com.skin.taurus.http;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.io.PrintWriter;import java.util.List;/** * <p>Title: HttpResponse</p>  * <p>Description: </p>  * @author xuesong.net * @version 1.0 */public class HttpResponse{    private String httpProtocol;    private int status = 0;    private String reasonPhrase;    private String contentType;    private HttpHeader httpHeader;    private boolean commit = false;    private int bufferSize = 8192;    private InputStream inputStream;    private OutputStream outputStream;    private PrintWriter writer;    public HttpResponse()    {        this.httpHeader = new HttpHeader();    }    public void setCommit(boolean commit)    {        this.commit = commit;    }    public boolean getCommit()    {        return this.commit;    }    public void setBufferSize(int bufferSize)    {        this.bufferSize = bufferSize;    }    public int getBufferSize()    {        return this.bufferSize;    }    /**     * @return HttpHeader     */    public void setHttpHeader(HttpHeader httpHeader)    {        this.httpHeader = httpHeader;    }    /**     * @return HttpHeader     */    public HttpHeader getHttpHeader()    {        return this.httpHeader;    }    public void addHeader(String name, String value)    {        this.setHeader(name, value);    }    public void setHeader(String name, String value)    {        this.checkCommit();        this.httpHeader.setHeader(name, value);    }    public String getHeader(String name)    {        return this.httpHeader.getHeader(name);    }    public List<String> removeHeader(String name)    {        return this.httpHeader.removeHeader(name);    }    public int getContentLength()    {        int contentLength = -1;        String value = this.getHeader("Content-Length");        if(value == null)        {            return contentLength;        }        try        {            contentLength = Integer.parseInt(value);        }        catch(NumberFormatException e)        {        }        return contentLength;    }    public String getContentType()    {        return contentType;    }    public void setContentLength(long contentLength)    {        this.addHeader("Content-Length", Long.toString(contentLength));    }    public void setContentType(String contentType)    {        this.contentType = contentType;        this.addHeader("Content-Type", contentType);    }    public void setChunked(boolean chunked)    {        this.checkCommit();        if(chunked)        {            this.setHeader("Transfer-Encoding", "chunked");        }        else        {            this.setHeader("Transfer-Encoding", null);        }    }    public boolean getChunked()    {        String chunked = this.getHeader("Transfer-Encoding");        return (chunked != null && chunked.equals("chunked"));    }    public String getHttpProtocol()    {        return httpProtocol;    }    public void setHttpProtocol(String httpProtocol)    {        this.checkCommit();        this.httpProtocol = httpProtocol;    }    /**     * @return the status     */    public int getStatus()    {        return this.status;    }    /**     * @param status the status to set     */    public void setStatus(int status)    {        this.checkCommit();        this.status = status;    }    /**     * @return the reasonPhrase     */    public String getReasonPhrase()    {        return this.reasonPhrase;    }    /**     * @param reasonPhrase the reasonPhrase to set     */    public void setReasonPhrase(String reasonPhrase)    {        this.checkCommit();        this.reasonPhrase = reasonPhrase;    }    public InputStream getInputStream()    {        return inputStream;    }    public void setInputStream(InputStream inputStream)    {        this.inputStream = inputStream;    }    public OutputStream getOutputStream()    {        return outputStream;    }    public void setOutputStream(OutputStream outputStream)    {        this.outputStream = outputStream;    }    /**     * @return PrintWriter     */    public PrintWriter getWriter()    {        if(writer == null)        {            this.writer = new PrintWriter(this.outputStream);        }        return this.writer;    }    private void checkCommit()    {        if(this.commit)        {            throw new HttpStatusException("The Response alread Commit!");        }    }    public void close() throws IOException    {    }    public void flush() throws IOException    {        if(this.writer != null)        {            this.writer.flush();        }        this.outputStream.flush();    }    public String toString()    {        StringBuilder buffer = new StringBuilder();        buffer.append(this.getHttpProtocol()).append(" ").append(this.getStatus()).append(" ").append(this.getReasonPhrase()).append("\r\n");        buffer.append(this.httpHeader.toString());        buffer.append("\r\n");        return buffer.toString();    }}