1 /**

     2  * Copyright (c) 2010 Symbian Foundation and/or its subsidiary(-ies).

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of the License "Eclipse Public License v1.0"

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8  *

     9  * Initial Contributors:

    10  * Symbian Foundation - initial contribution.

    11  * Contributors:

    12  * Description:

    13  * Overview:

    14  * Details:

    15  * Platforms/Drives/Compatibility:

    16  * Assumptions/Requirement/Pre-requisites:

    17  * Failures and causes:

    18  */

    19 package org.symbian.tools.wrttools.previewer.http.handlers;

    20 

    21 import java.io.ByteArrayInputStream;

    22 import java.io.IOException;

    23 import java.io.InputStream;

    24 import java.util.Map;

    25 import java.util.regex.Matcher;

    26 import java.util.regex.Pattern;

    27 

    28 import org.eclipse.core.resources.IFile;

    29 import org.eclipse.core.resources.IProject;

    30 import org.eclipse.core.resources.ResourcesPlugin;

    31 import org.eclipse.core.runtime.CoreException;

    32 import org.eclipse.core.runtime.IPath;

    33 import org.json.simple.JSONObject;

    34 import org.symbian.tools.wrttools.previewer.PreviewerPlugin;

    35 import org.symbian.tools.wrttools.util.CoreUtil;

    36 import org.symbian.tools.wrttools.util.ProjectUtils;

    37 

    38 public class ProjectIndexResourceProvider implements IResourceProvider {

    39     public static final String INDEX = "wrt_preview_main.html";

    40     private static final Pattern HEAD_TAG_PATTERN = Pattern.compile("<head(\\s*\\w*=\"(^\")*\")*\\s*>",

    41             Pattern.CASE_INSENSITIVE);

    42     private static final String SCRIPT = "<script language=\"JavaScript\" type=\"text/javascript\" src=\"preview/script/lib/loader.js\"></script>";

    43 

    44     public String[] getPaths() {

    45         return new String[] { INDEX };

    46     }

    47 

    48     public InputStream getResourceStream(IProject project, IPath resource, Map<String, String[]> parameters,

    49             String sessionId) throws IOException, CoreException {

    50         return getProjectIndexPage(project.getName());

    51     }

    52 

    53     private InputStream getProjectIndexPage(String projectName) throws IOException, CoreException {

    54         IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);

    55         if (project.isAccessible()) {

    56             String indexFileName = CoreUtil.getIndexFile(project);

    57             if (indexFileName != null) {

    58                 final IFile file = CoreUtil.getFile(project, indexFileName);

    59                 if (!ProjectUtils.isExcluded(file)) {

    60                     String string = CoreUtil.readFile(project, file);

    61                     if (string != null) {

    62                         Matcher matcher = HEAD_TAG_PATTERN.matcher(string);

    63                         if (matcher.find()) {

    64                             string = matcher.replaceFirst(matcher.group() + SCRIPT);

    65                         }

    66                         return new ByteArrayInputStream(string.getBytes("UTF-8"));

    67                     }

    68                 }

    69             }

    70             PreviewerPlugin.print(String.format("Can not find main page (%s) in project %s.\n", indexFileName,

    71                     project.getName()));

    72         }

    73         return null;

    74     }

    75 

    76     public void post(IProject project, IPath resource, Map<String, String[]> parameterMap, JSONObject object,

    77             String sessionId) throws IOException, CoreException {

    78         // Do nothing

    79     }

    80 

    81 }