java.text.MessageFormat#setFormat ( )源码实例Demo

private static void writeFormatToFile(final String name) {
    try {
        ObjectOutputStream out = new ObjectOutputStream(
                new FileOutputStream(name));

        MessageFormat fmt = new MessageFormat("The disk \"{1}\" contains {0}.");
        double[] filelimits = {0,1,2};
        String[] filepart = {"no files","one file","{0,number} files"};
        ChoiceFormat fileform = new ChoiceFormat(filelimits, filepart);
        fmt.setFormat(1,fileform); // NOT zero, see below

        out.writeObject(fmt);
        out.close();
    } catch (Exception e) {
        System.out.println(e);
    }
}
 

private static void writeFormatToFile(final String name) {
    try {
        ObjectOutputStream out = new ObjectOutputStream(
                new FileOutputStream(name));

        MessageFormat fmt = new MessageFormat("The disk \"{1}\" contains {0}.");
        double[] filelimits = {0,1,2};
        String[] filepart = {"no files","one file","{0,number} files"};
        ChoiceFormat fileform = new ChoiceFormat(filelimits, filepart);
        fmt.setFormat(1,fileform); // NOT zero, see below

        out.writeObject(fmt);
        out.close();
    } catch (Exception e) {
        System.out.println(e);
    }
}
 

private static void writeFormatToFile(final String name) {
    try {
        ObjectOutputStream out = new ObjectOutputStream(
                new FileOutputStream(name));

        MessageFormat fmt = new MessageFormat("The disk \"{1}\" contains {0}.");
        double[] filelimits = {0,1,2};
        String[] filepart = {"no files","one file","{0,number} files"};
        ChoiceFormat fileform = new ChoiceFormat(filelimits, filepart);
        fmt.setFormat(1,fileform); // NOT zero, see below

        out.writeObject(fmt);
        out.close();
    } catch (Exception e) {
        System.out.println(e);
    }
}
 

private static void writeFormatToFile(final String name) {
    try {
        ObjectOutputStream out = new ObjectOutputStream(
                new FileOutputStream(name));

        MessageFormat fmt = new MessageFormat("The disk \"{1}\" contains {0}.");
        double[] filelimits = {0,1,2};
        String[] filepart = {"no files","one file","{0,number} files"};
        ChoiceFormat fileform = new ChoiceFormat(filelimits, filepart);
        fmt.setFormat(1,fileform); // NOT zero, see below

        out.writeObject(fmt);
        out.close();
    } catch (Exception e) {
        System.out.println(e);
    }
}
 

public MCRCommand(Method cmd) {
    className = cmd.getDeclaringClass().getName();
    methodName = cmd.getName();
    parameterTypes = cmd.getParameterTypes();
    org.mycore.frontend.cli.annotation.MCRCommand cmdAnnotation = cmd
        .getAnnotation(org.mycore.frontend.cli.annotation.MCRCommand.class);
    help = cmdAnnotation.help();
    messageFormat = new MessageFormat(cmdAnnotation.syntax(), Locale.ROOT);
    setMethod(cmd);

    for (int i = 0; i < parameterTypes.length; i++) {
        Class<?> paramtype = parameterTypes[i];
        if (ClassUtils.isAssignable(paramtype, Integer.class, true)
            || ClassUtils.isAssignable(paramtype, Long.class, true)) {
            messageFormat.setFormat(i, NumberFormat.getIntegerInstance(Locale.ROOT));
        } else if (!String.class.isAssignableFrom(paramtype)) {
            unsupportedArgException(className + "." + methodName, paramtype.getName());
        }
    }

    int pos = cmdAnnotation.syntax().indexOf("{");
    suffix = pos == -1 ? cmdAnnotation.syntax() : cmdAnnotation.syntax().substring(0, pos);
}
 

private static void writeFormatToFile(final String name) {
    try {
        ObjectOutputStream out = new ObjectOutputStream(
                new FileOutputStream(name));

        MessageFormat fmt = new MessageFormat("The disk \"{1}\" contains {0}.");
        double[] filelimits = {0,1,2};
        String[] filepart = {"no files","one file","{0,number} files"};
        ChoiceFormat fileform = new ChoiceFormat(filelimits, filepart);
        fmt.setFormat(1,fileform); // NOT zero, see below

        out.writeObject(fmt);
        out.close();
    } catch (Exception e) {
        System.out.println(e);
    }
}
 

protected String formatWithTimeZone(
        String template,
        Object[] arguments, 
        Locale locale,
        TimeZone timezone) 
{
    MessageFormat mf = new MessageFormat(" ");
    mf.setLocale(locale);
    mf.applyPattern(template);
    if (!timezone.equals(TimeZone.getDefault())) 
    {
        Format[] formats = mf.getFormats();
        for (int i = 0; i < formats.length; i++) 
        {
            if (formats[i] instanceof DateFormat) 
            {
                DateFormat temp = (DateFormat) formats[i];
                temp.setTimeZone(timezone);
                mf.setFormat(i,temp);
            }
        }
    }
    return mf.format(arguments);
}
 

protected String formatWithTimeZone(
        String template,
        Object[] arguments, 
        Locale locale,
        TimeZone timezone) 
{
    MessageFormat mf = new MessageFormat(" ");
    mf.setLocale(locale);
    mf.applyPattern(template);
    if (!timezone.equals(TimeZone.getDefault())) 
    {
        Format[] formats = mf.getFormats();
        for (int i = 0; i < formats.length; i++) 
        {
            if (formats[i] instanceof DateFormat) 
            {
                DateFormat temp = (DateFormat) formats[i];
                temp.setTimeZone(timezone);
                mf.setFormat(i,temp);
            }
        }
    }
    return mf.format(arguments);
}
 

public static void main(String[] args) {

        int planet = 7;
        String event = "a disturbance in the Force";

        String messageFormatPattern = "At {1,time,long} on {1,date,full}, there was {2} on planet {0,number,integer}.";
        MessageFormat messageFormat = new MessageFormat(messageFormatPattern);
        String result = messageFormat.format(new Object[]{planet, new Date(), event});
        System.out.println(result);

        // 重置 MessageFormatPattern
        // applyPattern
        messageFormatPattern = "This is a text : {0}, {1}, {2}";
        messageFormat.applyPattern(messageFormatPattern);
        result = messageFormat.format(new Object[]{"Hello,World", "666"});
        System.out.println(result);

        // 重置 Locale
        messageFormat.setLocale(Locale.ENGLISH);
        messageFormatPattern = "At {1,time,long} on {1,date,full}, there was {2} on planet {0,number,integer}.";
        messageFormat.applyPattern(messageFormatPattern);
        result = messageFormat.format(new Object[]{planet, new Date(), event});
        System.out.println(result);

        // 重置 Format
        // 根据参数索引来设置 Pattern
        messageFormat.setFormat(1,new SimpleDateFormat("YYYY-MM-dd HH:mm:ss"));
        result = messageFormat.format(new Object[]{planet, new Date(), event});
        System.out.println(result);
    }
 

/**
 * Resolve an artifact and return its location in the local repository. Aether performs the normal
 * Maven resolution process ensuring that the latest update is cached to the local repository.
 * In addition, if the {@link MavenProperties#resolvePom} flag is <code>true</code>,
 * the POM is also resolved and cached.
 * @param resource the {@link MavenResource} representing the artifact
 * @return a {@link FileSystemResource} representing the resolved artifact in the local repository
 * @throws IllegalStateException if the artifact does not exist or the resolution fails
 */
Resource resolve(MavenResource resource) {
	Assert.notNull(resource, "MavenResource must not be null");
	validateCoordinates(resource);
	RepositorySystemSession session = newRepositorySystemSession(this.repositorySystem,
			this.properties.getLocalRepository());
	ArtifactResult resolvedArtifact;
	try {
		List<ArtifactRequest> artifactRequests = new ArrayList<>(2);
		if (properties.isResolvePom()) {
			artifactRequests.add(new ArtifactRequest(toPomArtifact(resource),
					this.remoteRepositories,
					JavaScopes.RUNTIME));
		}
		artifactRequests.add(new ArtifactRequest(toJarArtifact(resource),
				this.remoteRepositories,
				JavaScopes.RUNTIME));

		List<ArtifactResult> results = this.repositorySystem.resolveArtifacts(session, artifactRequests);
		resolvedArtifact = results.get(results.size() - 1);
	}
	catch (ArtifactResolutionException e) {

		ChoiceFormat pluralizer = new ChoiceFormat(
				new double[] { 0d, 1d, ChoiceFormat.nextDouble(1d) },
				new String[] { "repositories: ", "repository: ", "repositories: " });
		MessageFormat messageFormat = new MessageFormat(
				"Failed to resolve MavenResource: {0}. Configured remote {1}: {2}");
		messageFormat.setFormat(1, pluralizer);
		String repos = properties.getRemoteRepositories().isEmpty()
				? "none"
				: StringUtils.collectionToDelimitedString(properties.getRemoteRepositories().keySet(), ",", "[", "]");
		throw new IllegalStateException(
				messageFormat.format(new Object[] { resource, properties.getRemoteRepositories().size(), repos }),
				e);
	}
	return toResource(resolvedArtifact);
}
 

@Override
public void setLinkDay(Date linkDay) {
    MessageFormat todayFormat = new MessageFormat(AppBeans.get(Messages.class).getMessage("com.haulmont.cuba.desktop", "DatePicker.linkFormat"));
    todayFormat.setFormat(0, new SimpleDateFormat(Datatypes.getFormatStrings(AppBeans.get(UserSessionSource.class).getLocale()).getDateFormat()));
    setLinkFormat(todayFormat);
    super.setLinkDay(linkDay);
}
 

public void test_equalsLjava_lang_Object() {
    MessageFormat format1 = new MessageFormat("{0}");
    MessageFormat format2 = new MessageFormat("{1}");
    assertTrue("Should not be equal", !format1.equals(format2));
    format2.applyPattern("{0}");
    assertTrue("Should be equal", format1.equals(format2));
    SimpleDateFormat date = (SimpleDateFormat) DateFormat.getTimeInstance();
    format1.setFormat(0, DateFormat.getTimeInstance());
    format2.setFormat(0, new SimpleDateFormat(date.toPattern()));
    assertTrue("Should be equal2", format1.equals(format2));
}
 

/**
 * Creates a new MCRCommand.
 * 
 * @param format
 *            the command syntax, e.g. "save document {0} to directory {1}"
 * @param methodSignature
 *            the method to invoke, e.g. "miless.commandline.DocumentCommands.saveDoc int String"
 * @param helpText
 *            the helpt text for this command
 */
public MCRCommand(String format, String methodSignature, String helpText) {
    StringTokenizer st = new StringTokenizer(methodSignature, " ");

    String token = st.nextToken();
    int point = token.lastIndexOf(".");

    className = token.substring(0, point);
    methodName = token.substring(point + 1);
    int numParameters = st.countTokens();
    parameterTypes = new Class<?>[numParameters];
    messageFormat = new MessageFormat(format, Locale.ROOT);

    for (int i = 0; i < numParameters; i++) {
        token = st.nextToken();

        Format f = null;
        switch (token) {
            case "int":
                parameterTypes[i] = Integer.TYPE;
                f = NumberFormat.getIntegerInstance(Locale.ROOT);
                break;
            case "long":
                parameterTypes[i] = Long.TYPE;
                f = NumberFormat.getIntegerInstance(Locale.ROOT);
                break;
            case "String":
                parameterTypes[i] = String.class;
                break;
            default:
                unsupportedArgException(methodSignature, token);
        }
        messageFormat.setFormat(i, f);
    }

    int pos = format.indexOf("{");
    suffix = pos == -1 ? format : format.substring(0, pos);

    if (helpText != null) {
        help = helpText;
    } else {
        help = "No help text available for this command";
    }
}