Examples with FileWriter java.io.FileWriter used on opensource projects

Example 61 with FileWriter

use of java.io.FileWriter in project flink by apache.

the class TestFileUtils method createTempFileDirExtension.

public static String createTempFileDirExtension(String fileExtension, String... contents) throws IOException {
    File tempDir = new File(System.getProperty("java.io.tmpdir"));
    File f = null;
    do {
        f = new File(tempDir, randomFileName(FILE_SUFFIX));
    } while (f.exists());
    f.mkdirs();
    f.deleteOnExit();
    for (String s : contents) {
        File child = new File(f, randomFileName(fileExtension));
        child.deleteOnExit();
        try (BufferedWriter out = new BufferedWriter(new FileWriter(child))) {
            out.write(s);
        }
    }
    return f.toURI().toString();
}

Example 62 with FileWriter

use of java.io.FileWriter in project flink by apache.

the class WebLogDataGenerator method genDocs.

/**
	 * Generates the files for the documents relation. The entries apply the
	 * following format: <br />
	 * <code>URL | Content</code>
	 * 
	 * @param noDocs
	 *            Number of entries for the documents relation
	 * @param filterKeyWords
	 *            A list of keywords that should be contained
	 * @param words
	 *            A list of words to fill the entries
	 * @param path
	 *            Output path for the documents relation
	 */
private static void genDocs(int noDocs, String[] filterKeyWords, String[] words, String path) {
    Random rand = new Random(Calendar.getInstance().getTimeInMillis());
    try (FileWriter fw = new FileWriter(path)) {
        for (int i = 0; i < noDocs; i++) {
            int wordsInDoc = rand.nextInt(40) + 10;
            // URL
            StringBuilder doc = new StringBuilder("url_" + i + "|");
            for (int j = 0; j < wordsInDoc; j++) {
                if (rand.nextDouble() > 0.9) {
                    // Approx. every 10th word is a keyword
                    doc.append(filterKeyWords[rand.nextInt(filterKeyWords.length)] + " ");
                } else {
                    // Fills up the docs file(s) with random words
                    doc.append(words[rand.nextInt(words.length)] + " ");
                }
            }
            doc.append("|\n");
            fw.write(doc.toString());
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

Example 63 with FileWriter

use of java.io.FileWriter in project Notes by lguipeng.

the class FileUtils method writeFile.

public boolean writeFile(String dir, String fileName, String content, boolean append) {
    if (TextUtils.isEmpty(content)) {
        return false;
    }
    FileWriter fileWriter = null;
    try {
        String filePath = dir + File.separator + fileName;
        fileWriter = new FileWriter(filePath, append);
        fileWriter.write(content + "\n");
        fileWriter.close();
        return true;
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fileWriter != null) {
            try {
                fileWriter.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return false;
}

Example 64 with FileWriter

use of java.io.FileWriter in project libgdx by libgdx.

the class ProjectBuilder method build.

public boolean build() throws IOException {
    settingsFile = File.createTempFile("libgdx-setup-settings", ".gradle");
    buildFile = File.createTempFile("libgdx-setup-build", ".gradle");
    if (!settingsFile.exists()) {
        settingsFile.createNewFile();
    }
    if (!buildFile.exists()) {
        buildFile.createNewFile();
    }
    settingsFile.setWritable(true);
    buildFile.setWritable(true);
    try {
        FileWriter settingsWriter = new FileWriter(settingsFile.getAbsoluteFile());
        BufferedWriter settingsBw = new BufferedWriter(settingsWriter);
        String settingsContents = "include ";
        for (ProjectType module : modules) {
            settingsContents += "'" + module.getName() + "'";
            if (modules.indexOf(module) != modules.size() - 1) {
                settingsContents += ", ";
            }
        }
        settingsBw.write(settingsContents);
        settingsBw.close();
        settingsWriter.close();
        FileWriter buildWriter = new FileWriter(buildFile.getAbsoluteFile());
        BufferedWriter buildBw = new BufferedWriter(buildWriter);
        BuildScriptHelper.addBuildScript(modules, buildBw);
        BuildScriptHelper.addAllProjects(buildBw);
        for (ProjectType module : modules) {
            BuildScriptHelper.addProject(module, dependencies, buildBw);
        }
        //Add task here for now
        buildBw.write("\n");
        buildBw.write("tasks.eclipse.doLast {\n");
        buildBw.write("    delete \".project\"\n");
        buildBw.write("}");
        buildBw.close();
        buildWriter.close();
        return true;
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }
}

Example 65 with FileWriter

use of java.io.FileWriter in project libgdx by libgdx.

the class EffectPanel method saveEffect.

void saveEffect() {
    FileDialog dialog = new FileDialog(editor, "Save Effect", FileDialog.SAVE);
    if (lastDir != null)
        dialog.setDirectory(lastDir);
    dialog.setVisible(true);
    String file = dialog.getFile();
    String dir = dialog.getDirectory();
    if (dir == null || file == null || file.trim().length() == 0)
        return;
    lastDir = dir;
    int index = 0;
    File effectFile = new File(dir, file);
    // save each image path as relative path to effect file directory
    URI effectDirUri = effectFile.getParentFile().toURI();
    for (ParticleEmitter emitter : editor.effect.getEmitters()) {
        emitter.setName((String) emitterTableModel.getValueAt(index++, 0));
        String imagePath = emitter.getImagePath();
        if ((imagePath.contains("/") || imagePath.contains("\\")) && !imagePath.contains("..")) {
            // it's absolute, make it relative:
            URI imageUri = new File(emitter.getImagePath()).toURI();
            emitter.setImagePath(effectDirUri.relativize(imageUri).getPath());
        }
    }
    File outputFile = new File(dir, file);
    Writer fileWriter = null;
    try {
        fileWriter = new FileWriter(outputFile);
        editor.effect.save(fileWriter);
    } catch (Exception ex) {
        System.out.println("Error saving effect: " + outputFile.getAbsolutePath());
        ex.printStackTrace();
        JOptionPane.showMessageDialog(editor, "Error saving effect.");
    } finally {
        StreamUtils.closeQuietly(fileWriter);
    }
}