FsUtils.java revision 5e8f52f5c5ac97cbc514e72c4fc84b6fa46ebc57 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.dumprendertree;
18
19import com.android.dumprendertree.forwarder.ForwardService;
20
21import android.util.Log;
22
23import java.io.BufferedOutputStream;
24import java.io.BufferedReader;
25import java.io.File;
26import java.io.FileOutputStream;
27import java.io.FileReader;
28import java.io.FileWriter;
29import java.io.IOException;
30import java.util.regex.Pattern;
31
32public class FsUtils {
33
34    private static final String LOGTAG = "FsUtils";
35    static final String HTTP_TESTS_PREFIX = "/sdcard/android/layout_tests/http/tests/";
36    static final String HTTPS_TESTS_PREFIX = "/sdcard/android/layout_tests/http/tests/ssl/";
37    static final String HTTP_LOCAL_TESTS_PREFIX = "/sdcard/android/layout_tests/http/tests/local/";
38    static final String HTTP_MEDIA_TESTS_PREFIX = "/sdcard/android/layout_tests/http/tests/media/";
39    static final String HTTP_WML_TESTS_PREFIX = "/sdcard/android/layout_tests/http/tests/wml/";
40
41    private FsUtils() {
42        //no creation of instances
43    }
44
45    public static void findLayoutTestsRecursively(BufferedOutputStream bos,
46            String dir) throws IOException {
47        Log.v(LOGTAG, "Searching tests under " + dir);
48
49        File d = new File(dir);
50        if (!d.isDirectory()) {
51            throw new AssertionError("A directory expected, but got " + dir);
52        }
53
54        String[] files = d.list();
55        for (int i = 0; i < files.length; i++) {
56            String s = dir + "/" + files[i];
57            if (s.endsWith("TEMPLATE.html")) {
58                continue;
59            }
60            if (FileFilter.ignoreTest(s)) {
61                Log.v(LOGTAG, "  Ignoring: " + s);
62                continue;
63            }
64            if (s.toLowerCase().endsWith(".html")
65                    || s.toLowerCase().endsWith(".xml")) {
66                bos.write(s.getBytes());
67                bos.write('\n');
68                continue;
69            }
70
71            File f = new File(s);
72            if (f.isDirectory()) {
73                findLayoutTestsRecursively(bos, s);
74                continue;
75            }
76
77            Log.v(LOGTAG, "Skipping " + s);
78        }
79    }
80
81    public static void updateTestStatus(String statusFile, String s) {
82        try {
83            BufferedOutputStream bos = new BufferedOutputStream(
84                    new FileOutputStream(statusFile));
85            bos.write(s.getBytes());
86            bos.close();
87        } catch (Exception e) {
88            Log.e(LOGTAG, "Cannot update file " + statusFile);
89        }
90    }
91
92    public static String readTestStatus(String statusFile) {
93        // read out the test name it stopped last time.
94        String status = null;
95        File testStatusFile = new File(statusFile);
96        if(testStatusFile.exists()) {
97            try {
98                BufferedReader inReader = new BufferedReader(
99                        new FileReader(testStatusFile));
100                status = inReader.readLine();
101                inReader.close();
102            } catch (IOException e) {
103                Log.e(LOGTAG, "Error reading test status.", e);
104            }
105        }
106        return status;
107    }
108
109    public static String getTestUrl(String path) {
110        String url = null;
111        if (!path.startsWith(HTTP_TESTS_PREFIX)) {
112            url = "file://" + path;
113        } else {
114            ForwardService.getForwardService().startForwardService();
115            if (path.startsWith(HTTPS_TESTS_PREFIX)) {
116                // still cut the URL after "http/tests/"
117                url = "https://127.0.0.1:8443/" + path.substring(HTTP_TESTS_PREFIX.length());
118            } else if (!path.startsWith(HTTP_LOCAL_TESTS_PREFIX)
119                    && !path.startsWith(HTTP_MEDIA_TESTS_PREFIX)
120                    && !path.startsWith(HTTP_WML_TESTS_PREFIX)) {
121                url = "http://127.0.0.1:8000/" + path.substring(HTTP_TESTS_PREFIX.length());
122            } else {
123                url = "file://" + path;
124            }
125        }
126        return url;
127    }
128
129    public static boolean diffIgnoreSpaces(String file1, String file2)  throws IOException {
130        BufferedReader br1 = new BufferedReader(new FileReader(file1));
131        BufferedReader br2 = new BufferedReader(new FileReader(file2));
132        boolean same = true;
133        Pattern trailingSpace = Pattern.compile("\\s+$");
134
135        while(true) {
136            String line1 = br1.readLine();
137            String line2 = br2.readLine();
138
139            if (line1 == null && line2 == null)
140                break;
141            if (line1 != null) {
142                line1 = trailingSpace.matcher(line1).replaceAll("");
143            } else {
144                line1 = "";
145            }
146            if (line2 != null) {
147                line2 = trailingSpace.matcher(line2).replaceAll("");
148            } else {
149                line2 = "";
150            }
151            if(!line1.equals(line2)) {
152                same = false;
153                break;
154            }
155        }
156
157        br1.close();
158        br2.close();
159
160        return same;
161    }
162
163    public static boolean isTestPageUrl(String url) {
164        int qmPostion = url.indexOf('?');
165        int slashPostion = url.lastIndexOf('/');
166        if (slashPostion < qmPostion) {
167            String fileName = url.substring(slashPostion + 1, qmPostion);
168            if ("index.html".equals(fileName)) {
169                return true;
170            }
171        }
172        return false;
173    }
174
175    public static String getLastSegmentInPath(String path) {
176        int endPos = path.lastIndexOf('/');
177        path = path.substring(0, endPos);
178        endPos = path.lastIndexOf('/');
179        return path.substring(endPos + 1);
180    }
181
182    public static void writeDrawTime(String fileName, String url, long[] times) {
183        StringBuffer lineBuffer = new StringBuffer();
184        // grab the last segment of path in url
185        lineBuffer.append(getLastSegmentInPath(url));
186        for (long time : times) {
187            lineBuffer.append('\t');
188            lineBuffer.append(time);
189        }
190        lineBuffer.append('\n');
191        String line = lineBuffer.toString();
192        Log.v(LOGTAG, "logging draw times: " + line);
193        try {
194            FileWriter fw = new FileWriter(fileName, true);
195            fw.write(line);
196            fw.close();
197        } catch (IOException ioe) {
198            Log.e(LOGTAG, "Failed to log draw times", ioe);
199        }
200    }
201
202}
203