Examples of hudson.util.TextFile

hudson.util.TextFile
Represents a text file. Provides convenience methods for reading and writing to it. @author Kohsuke Kawaguchi

     * @return Value for property 'sourceFileContent'.
     */
    public String getSourceFileContent() {
        if (hasPermission()) {
            try {
                return new TextFile(getSourceFile()).read();
            } catch (IOException e) {
                return null;
            }
        }
        return null;

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        /**
         * This is where the retrieved file will be stored.
         */
        public TextFile getDataFile() {
            return new TextFile(new File(Hudson.getInstance().getRootDir(),"updates/"+id));
        }

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        /**
         * Loads the current file into JSON and returns it, or null
         * if no data exists.
         */
        public JSONObject getData() throws IOException {
            TextFile df = getDataFile();
            if(df.exists())
                return JSONObject.fromObject(df.read());
            return null;
        }

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        /**
         * This is where the browser sends us the data. 
         */
        public void doPostBack(StaplerRequest req, StaplerResponse rsp) throws IOException {
            long dataTimestamp = System.currentTimeMillis();
            TextFile df = getDataFile();
            df.write(IOUtils.toString(req.getInputStream(),"UTF-8"));
            df.file.setLastModified(dataTimestamp);
            due = dataTimestamp+getInterval();
            LOGGER.info("Obtained the updated data file for "+id);
            rsp.setContentType("text/plain");  // So browser won't try to parse response
        }

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                }
                throw e;
            }


            // get or create the secret
            TextFile secretFile = new TextFile(new File(Hudson.getInstance().getRootDir(), "secret.key"));
            if (secretFile.exists()) {
                secretKey = secretFile.readTrim();
            } else {
                SecureRandom sr = new SecureRandom();
                byte[] random = new byte[32];
                sr.nextBytes(random);
                secretKey = Util.toHexString(random);
                secretFile.write(secretKey);
            }


            try {
                proxy = ProxyConfiguration.load();
            } catch (IOException e) {

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            throws IOException {
        super.onLoad(parent, name);
        cascadingProject = (JobT) Functions.getItemByName(Hudson.getInstance().getAllItems(this.getClass()),
            cascadingProjectName);
        initAllowSave();
        TextFile f = getNextBuildNumberFile();
        if (f.exists()) {
            // starting 1.28, we store nextBuildNumber in a separate file.
            // but old Hudson didn't do it, so if the file doesn't exist,
            // assume that nextBuildNumber was read from config.xml
            try {
                synchronized (this) {
                    this.nextBuildNumber = Integer.parseInt(f.readTrim());
                }
            } catch (NumberFormatException e) {
                throw new IOException2(f + " doesn't contain a number", e);
            }
        } else {

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        CascadingUtil.unlinkProjectFromCascadingParents(getCascadingProject(), name);
        super.performDelete();
    }


    /*package*/ TextFile getNextBuildNumberFile() {
        return new TextFile(new File(this.getRootDir(), "nextBuildNumber"));
    }

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     * Loads the update center data, if any.
     *
     * @return  null if no data is available.
     */
    public Data getData() {
        TextFile df = getDataFile();
        if(df.exists()) {
            try {
                return new Data(JSONObject.fromObject(df.read()));
            } catch (IOException e) {
                LOGGER.log(Level.SEVERE,"Failed to parse "+df,e);
                df.delete(); // if we keep this file, it will cause repeated failures
                return null;
            }
        } else {
            return null;
        }

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    /**
     * This is where we store the update center data.
     */
    private TextFile getDataFile() {
        return new TextFile(new File(Hudson.getInstance().getRootDir(),
                                     "updates/" + getId()+".json"));
    }

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