org.castafiore.utils.ResourceUtil.java Source code

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/*
 * Copyright (C) 2007-2010 Castafiore
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see<http://www.gnu.org/licenses/>.
 */
package org.castafiore.utils;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.Map;

import org.apache.commons.lang.StringUtils;
import org.castafiore.resource.ResourceLocator;
import org.castafiore.resource.ResourceLocatorFactory;
import org.castafiore.ui.Application;
import org.castafiore.ui.CastafioreController;
import org.castafiore.ui.Container;

public class ResourceUtil {

    private static String ICONS_REPO = "org/castafiore/resource/icons";

    private static String JS_REPOSITORY = "org/castafiore/resource/js";

    private static java.util.Properties castaProp = new java.util.Properties();

    private static java.util.Properties MIMETYPES_EXTENSION = new java.util.Properties();

    private static java.util.Properties EXTENSION_MIMETYPES = new java.util.Properties();

    static {
        try {
            castaProp.load(
                    Thread.currentThread().getContextClassLoader().getResourceAsStream("castafiore.properties"));
            MIMETYPES_EXTENSION.load(
                    Thread.currentThread().getContextClassLoader().getResourceAsStream("mimetype.properties"));
            EXTENSION_MIMETYPES.load(
                    Thread.currentThread().getContextClassLoader().getResourceAsStream("extensions.properties"));

        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    public static String getDownloadURL(String type, String path) {
        if (path.startsWith("/"))
            return "castafiore/resource/" + type + "" + path;
        else
            return "castafiore/resource/" + type + "/" + path;
    }

    public static boolean isTextType(String mimetype) {
        if (mimetype != null)
            return mimetype.startsWith("text");
        return false;
    }

    public static String getExtensionFromFileName(String name) {
        try {
            if (name != null) {
                String[] as = StringUtil.split(name, ".");
                if (as != null && as.length > 1) {
                    return as[as.length - 1];
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            return "";
        }
        //System.out.println("did not find extension from :" + name);
        return "";
    }

    public static String getParentPath(String filePath) {
        try {
            String[] as = StringUtil.split(filePath, "/");
            String res = filePath.substring(0, filePath.length() - as[as.length - 1].length() - 1);
            if (res.length() == 0) {
                return "/root";
            } else {
                return res;
            }
        } catch (Exception e) {
            return "/root";
        }
    }

    public static String getNameFromPath(String path) {
        return StringUtil.getFileNameFromPath(path);
    }

    public static String getMimeFromExtension(String extension) {

        return EXTENSION_MIMETYPES.getProperty(extension, "");
    }

    public static String getIconUrl(String imageName, String size) {
        return ResourceUtil.getDownloadURL("classpath", ICONS_REPO + "/" + size + "/" + imageName);
    }

    public static String getMethodUrl(Container c, String methodName, String paramName, String parameter) {
        String componentid = c.getId();
        Application app = c.getRoot();

        String applicationid = app.getName();
        return "castafiore/methods/" + applicationid + "/" + componentid + "?method=" + methodName + "&" + paramName
                + "=" + parameter + "&paramName=" + paramName;
    }

    public static String getMethodUrl(Container c, String methodName, String paramName) {
        String componentid = c.getId();
        Application app = c.getRoot();

        String applicationid = app.getName();
        return "castafiore/methods/" + applicationid + "/" + componentid + "?method=" + methodName + "&paramName="
                + paramName;
    }

    public static String getMethodUrl(CastafioreController c) {
        String componentid = c.getId();
        Application app = c.getRoot();

        String applicationid = app.getName();
        return "castafiore/methods/" + applicationid + "/" + componentid;
    }

    public static String getJavascriptURL(String path) {
        return ResourceUtil.getDownloadURL("classpath", JS_REPOSITORY + "/" + path);
    }

    public static String getTemplate(String templateLocation, Application app) {

        String contextPath = app.getContextPath();
        String serverPort = app.getServerPort();
        String servaerName = app.getServerName();
        if ("www.3racingtips.com".equalsIgnoreCase(servaerName)) {
            servaerName = "racingtips.s18.eatj.com";
        }

        if (!contextPath.startsWith("/")) {
            contextPath = "/" + contextPath;
        }
        if (contextPath.endsWith("/") && templateLocation.startsWith("/")) {
            templateLocation = templateLocation.substring(1);
        }
        if (!contextPath.endsWith("/") && !templateLocation.startsWith("/")) {
            templateLocation = "/" + templateLocation;
        }
        //String url = "";
        if (!templateLocation.startsWith("http")) {
            templateLocation = "http://" + servaerName + ":" + serverPort + contextPath + "" + templateLocation;
        }

        try {
            //URL oUrl = new URL(templateLocation);
            //InputStream in = oUrl.openStream();

            String template = readUrl(templateLocation);

            //throw new Exception("dfs");
            return template;
        } catch (Exception e) {

            try {
                String[] asSpec = StringUtils.splitByWholeSeparator(templateLocation, "spec=");
                if (asSpec != null && asSpec.length == 2) {
                    String spec = asSpec[1];
                    ResourceLocator locator = ResourceLocatorFactory.getResourceLocator(spec);
                    InputStream data = locator.getResource(spec, null).getInputStream();

                    String template = IOUtil.getStreamContentAsString(data);
                    return template;
                } else {
                    throw new RuntimeException("unable to load template:" + templateLocation, e);
                }
            } catch (Exception ex) {
                throw new RuntimeException("unable to load template:" + templateLocation, e);
            }
            //e.printStackTrace();
        }

    }

    public static String extractUrlFromStyle(String style) {
        return style.replaceAll(".*url\\(", "").replaceAll("'|\\).*", "");
    }

    public static String readUrl(String url) throws Exception {
        URL yahoo = new URL(url);
        BufferedReader in = new BufferedReader(new InputStreamReader(yahoo.openStream()));

        String inputLine;
        StringBuilder b = new StringBuilder();
        while ((inputLine = in.readLine()) != null)
            b.append(inputLine).append("\n");
        //System.out.println(inputLine);

        in.close();

        return b.toString();

    }

    public static String getDirToWrite() {
        return ((Map) BaseSpringUtil.getBean("uploadprops")).get("upload.dir").toString();
        //return castaProp.getProperty("upload.dir");
    }

    public static byte[] readUrlBinary(String url) throws Exception {

        URL u = new URL(url);
        URLConnection uc = u.openConnection();
        String contentType = uc.getContentType();
        int contentLength = uc.getContentLength();
        if (contentType.startsWith("text/") || contentLength == -1) {
            throw new IOException("This is not a binary file.");
        }
        InputStream raw = uc.getInputStream();
        InputStream in = new BufferedInputStream(raw);
        byte[] data = new byte[contentLength];
        int bytesRead = 0;
        int offset = 0;
        while (offset < contentLength) {
            bytesRead = in.read(data, offset, data.length - offset);
            if (bytesRead == -1)
                break;
            offset += bytesRead;
        }
        in.close();

        if (offset != contentLength) {
            throw new IOException("Only read " + offset + " bytes; Expected " + contentLength + " bytes");
        }

        return data;

    }

    public static byte[] read(String url) throws Exception {

        URL u = new URL(url);
        URLConnection uc = u.openConnection();
        // int contentLength = uc.getContentLength();
        InputStream raw = uc.getInputStream();
        //InputStream in = new BufferedInputStream(raw);
        return IOUtil.getStreamContentAsBytes(raw);

        //       byte[] data = new byte[contentLength];
        //       int bytesRead = 0;
        //       int offset = 0;
        //       while (offset < contentLength) {
        //         bytesRead = in.read(data, offset, data.length - offset);
        //         if (bytesRead == -1)
        //           break;
        //         offset += bytesRead;
        //       }
        //       in.close();
        //
        //       if (offset != contentLength) {
        //         throw new IOException("Only read " + offset + " bytes; Expected " + contentLength + " bytes");
        //       }

        // return data;

    }

    public static String getUploadDir() {
        return "c:\\data";//((Map)BaseSpringUtil.getBean("uploadprops")).get("upload.dir").toString();
    }

}