74 lines
2.0 KiB
Java
74 lines
2.0 KiB
Java
|
package com.ruoyi.common.utils;
|
||
|
|
|
||
|
|
import javax.servlet.ServletOutputStream;
|
||
|
|
import javax.servlet.WriteListener;
|
||
|
|
import javax.servlet.http.HttpServletResponse;
|
||
|
|
import javax.servlet.http.HttpServletResponseWrapper;
|
||
|
|
import java.io.ByteArrayOutputStream;
|
||
|
|
import java.io.IOException;
|
||
|
|
import java.io.OutputStreamWriter;
|
||
|
|
import java.io.PrintWriter;
|
||
|
|
import java.nio.charset.StandardCharsets;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 响应包装器 - 用于修改响应内容
|
||
|
|
*/
|
||
|
|
public class EncryptHttpServletResponseWrapper extends HttpServletResponseWrapper {
|
||
|
|
private ByteArrayOutputStream buffer;
|
||
|
|
private ServletOutputStream out;
|
||
|
|
private PrintWriter writer;
|
||
|
|
|
||
|
|
public EncryptHttpServletResponseWrapper(HttpServletResponse response) {
|
||
|
|
super(response);
|
||
|
|
buffer = new ByteArrayOutputStream();
|
||
|
|
out = new WrappedOutputStream(buffer);
|
||
|
|
writer = new PrintWriter(new OutputStreamWriter(buffer, StandardCharsets.UTF_8));
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public ServletOutputStream getOutputStream() throws IOException {
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public PrintWriter getWriter() throws IOException {
|
||
|
|
return writer;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void flushBuffer() throws IOException {
|
||
|
|
if (out != null) {
|
||
|
|
out.flush();
|
||
|
|
}
|
||
|
|
if (writer != null) {
|
||
|
|
writer.flush();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public byte[] getContent() throws IOException {
|
||
|
|
flushBuffer();
|
||
|
|
return buffer.toByteArray();
|
||
|
|
}
|
||
|
|
|
||
|
|
private static class WrappedOutputStream extends ServletOutputStream {
|
||
|
|
private ByteArrayOutputStream buffer;
|
||
|
|
|
||
|
|
public WrappedOutputStream(ByteArrayOutputStream buffer) {
|
||
|
|
this.buffer = buffer;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void write(int b) throws IOException {
|
||
|
|
buffer.write(b);
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public boolean isReady() {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void setWriteListener(WriteListener writeListener) {
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|