Examples with HessianDebugOutputStream com.caucho.hessian.io.HessianDebugOutputStream used on opensource projects

Example 1 with HessianDebugOutputStream

use of com.caucho.hessian.io.HessianDebugOutputStream in project spring-framework by spring-projects.

the class HessianExporter method doInvoke.

/**
	 * Actually invoke the skeleton with the given streams.
	 * @param skeleton the skeleton to invoke
	 * @param inputStream the request stream
	 * @param outputStream the response stream
	 * @throws Throwable if invocation failed
	 */
protected void doInvoke(HessianSkeleton skeleton, InputStream inputStream, OutputStream outputStream) throws Throwable {
    ClassLoader originalClassLoader = overrideThreadContextClassLoader();
    try {
        InputStream isToUse = inputStream;
        OutputStream osToUse = outputStream;
        if (this.debugLogger != null && this.debugLogger.isDebugEnabled()) {
            PrintWriter debugWriter = new PrintWriter(new CommonsLogWriter(this.debugLogger));
            @SuppressWarnings("resource") HessianDebugInputStream dis = new HessianDebugInputStream(inputStream, debugWriter);
            @SuppressWarnings("resource") HessianDebugOutputStream dos = new HessianDebugOutputStream(outputStream, debugWriter);
            dis.startTop2();
            dos.startTop2();
            isToUse = dis;
            osToUse = dos;
        }
        if (!isToUse.markSupported()) {
            isToUse = new BufferedInputStream(isToUse);
            isToUse.mark(1);
        }
        int code = isToUse.read();
        int major;
        int minor;
        AbstractHessianInput in;
        AbstractHessianOutput out;
        if (code == 'H') {
            // Hessian 2.0 stream
            major = isToUse.read();
            minor = isToUse.read();
            if (major != 0x02) {
                throw new IOException("Version " + major + '.' + minor + " is not understood");
            }
            in = new Hessian2Input(isToUse);
            out = new Hessian2Output(osToUse);
            in.readCall();
        } else if (code == 'C') {
            // Hessian 2.0 call... for some reason not handled in HessianServlet!
            isToUse.reset();
            in = new Hessian2Input(isToUse);
            out = new Hessian2Output(osToUse);
            in.readCall();
        } else if (code == 'c') {
            // Hessian 1.0 call
            major = isToUse.read();
            minor = isToUse.read();
            in = new HessianInput(isToUse);
            if (major >= 2) {
                out = new Hessian2Output(osToUse);
            } else {
                out = new HessianOutput(osToUse);
            }
        } else {
            throw new IOException("Expected 'H'/'C' (Hessian 2.0) or 'c' (Hessian 1.0) in hessian input at " + code);
        }
        if (this.serializerFactory != null) {
            in.setSerializerFactory(this.serializerFactory);
            out.setSerializerFactory(this.serializerFactory);
        }
        if (this.remoteResolver != null) {
            in.setRemoteResolver(this.remoteResolver);
        }
        try {
            skeleton.invoke(in, out);
        } finally {
            try {
                in.close();
                isToUse.close();
            } catch (IOException ex) {
            // ignore
            }
            try {
                out.close();
                osToUse.close();
            } catch (IOException ex) {
            // ignore
            }
        }
    } finally {
        resetThreadContextClassLoader(originalClassLoader);
    }
}