com.github.dbourdette.glass.web.controller.FilesController.java Source code

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Here is the source code for com.github.dbourdette.glass.web.controller.FilesController.java

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/*
 * Copyright 2011 Damien Bourdette
 *
 * 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 com.github.dbourdette.glass.web.controller;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;

/**
 * Serves all static files : css, images, js files...
 *
 * @author damien bourdette
 */
@Controller
public class FilesController {

    public static final int BUFFER_SIZE = 1024;

    @RequestMapping("/css/style.css")
    public void ccs(HttpServletResponse response) throws IOException {
        response.setContentType("text/css");

        serveResource("/com/github/dbourdette/glass/css/style.css", response);
    }

    @RequestMapping("/image/{name}.png")
    public void image(@PathVariable String name, HttpServletResponse response) throws IOException {
        response.setContentType("image/png");

        serveResource("/com/github/dbourdette/glass/image/" + name + ".png", response);
    }

    @RequestMapping("/js/{name}.js")
    public void javascript(@PathVariable String name, HttpServletResponse response) throws IOException {
        response.setContentType("application/javascript");

        serveResource("/com/github/dbourdette/glass/js/" + name + ".js", response);
    }

    private void serveResource(String name, HttpServletResponse response) throws IOException {
        InputStream inputStream = getClass().getResourceAsStream(name);
        OutputStream outputStream = response.getOutputStream();

        byte[] buffer = new byte[BUFFER_SIZE];

        int size = 0;
        while ((size = inputStream.read(buffer)) != -1) {
            outputStream.write(buffer, 0, size);
        }

        inputStream.close();
    }
}