Examples of java.util.Properties.store()

java.util.Properties.store()
Writes this property list (key and element pairs) in this Properties table to the output character stream in a format suitable for using the {@link #load(java.io.Reader) load(Reader)}method.
Properties from the defaults table of this Properties table (if any) are not written out by this method.
If the comments argument is not null, then an ASCII # character, the comments string, and a line separator are first written to the output stream. Thus, the comments can serve as an identifying comment. Any one of a line feed ('\n'), a carriage return ('\r'), or a carriage return followed immediately by a line feed in comments is replaced by a line separator generated by the Writer and if the next character in comments is not character # or character ! then an ASCII # is written out after that line separator.
Next, a comment line is always written, consisting of an ASCII # character, the current date and time (as if produced by the toString method of Date for the current time), and a line separator as generated by the Writer.
Then every entry in this Properties table is written out, one per line. For each entry the key string is written, then an ASCII =, then the associated element string. For the key, all space characters are written with a preceding \ character. For the element, leading space characters, but not embedded or trailing space characters, are written with a preceding \ character. The key and element characters #, !, =, and : are written with a preceding backslash to ensure that they are properly loaded.
After the entries have been written, the output stream is flushed. The output stream remains open after this method returns.
@param writer an output character stream writer. @param comments a description of the property list. @exception IOException if writing this property list to the specifiedoutput stream throws an IOException. @exception ClassCastException if this Properties objectcontains any keys or values that are not Strings. @exception NullPointerException if writer is null. @since 1.6

            IO.delete(propertiesFile);
        } else {
            FileOutputStream out = null;
            try {
                out = new FileOutputStream(propertiesFile);
                props.store(out, new Date().toString());
            } catch (final IOException e) {
                throw new CoreException(new Status(Status.ERROR, NewBuilder.PLUGIN_ID, "Failure to write container source attachments", e));
            } finally {
                IO.close(out);
            }

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            IO.delete(propertiesFile);
        } else {
            FileOutputStream out = null;
            try {
                out = new FileOutputStream(propertiesFile);
                props.store(out, new Date().toString());
            } catch (final IOException e) {
                throw new CoreException(new Status(Status.ERROR, NewBuilder.PLUGIN_ID, "Failure to write container source attachments", e));
            } finally {
                IO.close(out);
            }

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            final File settingsFile = new File(outputDir, PROPERTIES_FILE);
            getLog().debug(String.format("Creating settings at %s", settingsFile.getPath()));
            FileWriter writer = null;
            try {
                writer = new FileWriter(settingsFile);
                settings.store(writer, null);
            } catch ( final IOException ioe ) {
                throw new MojoExecutionException("Unable to write properties file.", ioe);
            } finally {
                IOUtils.closeQuietly(writer);
            }

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                String uri = (String) prefixToURI.get(prefix);
                props.setProperty(prefix, uri);
            }


            try {
                props.store(os, null);
            } finally {
                // make sure stream is closed
                os.close();
            }
        } catch (Exception e) {

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                String index = uriToIndex.get(uri).toString();
                props.setProperty(uri, index);
            }


            try {
                props.store(os, null);
            } finally {
                // make sure stream is closed
                os.close();
            }
        } catch (Exception e) {

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        props.setProperty(String.format(SERIES_STATEMENT_KEY_FORMAT, 1), TEST_SERIES_SELECT_STATEMENT);


        final FileWriter writer = new FileWriter(chartDef);
        try
        {
            props.store(writer, "Test chart definition file");
        }
        finally
        {
            writer.close();
        }

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        File f = File.createTempFile(getTestName(), ".properties");
        try
        {
            FileOutputStream fos = new FileOutputStream(f);
            properties.store(fos, null);
            fos.close();


            setTestSystemProperty(ClientProperties.DEST_SYNTAX, "ADDR");
            setTestSystemProperty(InitialContext.INITIAL_CONTEXT_FACTORY, "org.apache.qpid.jndi.PropertiesFileInitialContextFactory");
            setTestSystemProperty(InitialContext.PROVIDER_URL,  f.toURI().toURL().toString());

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        /// and save
        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(origSlingProps);
            orig.store(fos, null);
        } catch (final IOException ioe) {
            throw new MojoExecutionException("Unable to save " + origSlingProps, ioe);
        } finally {
            if ( fis != null ) {
                try { fis.close(); } catch (final IOException ignore) {}

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        launcherProps.put(aQute.bnd.osgi.Constants.RUNBUNDLES, Processor.join(names, ",\\\n  "));


        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(new File(folder, "launch.properties"));
            launcherProps.store(fos, "launch.properties");
        } catch (IOException e) {
            status.add(new Status(IStatus.ERROR, Plugin.PLUGIN_ID, 0, "Error generating launch properties file.", e));
        } finally {
            try {
                if (fos != null) {

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        // write the properties
        OutputStream out = null;
        try {
            out = new FileOutputStream(this.repoPropertiesFile);
            props.store(out, null);
        } finally {
            if (out != null) {
                try {
                    out.close();
                } catch (IOException ioe) {

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