tableresourcebundle.java

exTreme taglib的使用

/*
 * Copyright 2004 original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.extremecomponents.table.core;

import java.text.MessageFormat;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * Load up the resource bundle that will be used by the Model.
 * 
 * @author Jeff Johnston
 */
public class TableResourceBundle {
    private static Log logger = LogFactory.getLog(TableResourceBundle.class);

    public final static String EXTREMETABLE_RESOURCE_BUNDLE = "org.extremecomponents.table.core.extremetableResourceBundle";

    public final static String IMAGE_PATH = "table.imagePath";
    public final static String FORMAT = "table.format_";

    public final static String STATUSBAR_RESULTS_FOUND = "table.statusbar.resultsFound";
    public final static String STATUSBAR_NO_RESULTS_FOUND = "table.statusbar.noResultsFound";

    public final static String TOOLBAR_FIRST_PAGE_TOOLTIP = "table.toolbar.firstPageTooltip";
    public final static String TOOLBAR_LAST_PAGE_TOOLTIP = "table.toolbar.lastPageTooltip";
    public final static String TOOLBAR_PREV_PAGE_TOOLTIP = "table.toolbar.prevPageTooltip";
    public final static String TOOLBAR_NEXT_PAGE_TOOLTIP = "table.toolbar.nextPageTooltip";

    public final static String STATUSBAR_SEARCH_TOOLTIP = "table.statusbar.searchTooltip";
    public final static String STATUSBAR_CLEAR_TOOLTIP = "table.statusbar.clearTooltip";

    public final static String HEADERCELL_SORT_TOOLTIP = "table.headercell.sortTooltip";

    private ResourceBundle customResourceBundle;
    private ResourceBundle defaultResourceBundle;
    private BaseModel model;

    public TableResourceBundle(BaseModel model) {
        this.model = model;
    }

    public void init() {
        Locale locale = model.getTableHandler().getTable().getLocale();

        defaultResourceBundle = findResourceBundle(EXTREMETABLE_RESOURCE_BUNDLE, locale);

        String resourceBundleLocation = model.getTableHandler().getTable().getResourceBundleLocation();
        if (StringUtils.isNotBlank(resourceBundleLocation)) {
            customResourceBundle = findResourceBundle(resourceBundleLocation, locale);
        }
    }

    private ResourceBundle findResourceBundle(String resourceBundleLocation, Locale locale) {
        try {
            return customResourceBundle = ResourceBundle.getBundle(resourceBundleLocation, locale, getClass()
                    .getClassLoader());
        } catch (MissingResourceException e) {
            logger.info("The resource bundle [ " + resourceBundleLocation
                    + "] was not found. Make sure the path and resource name is correct.");
        }

        return null;
    }

    /**
     * Get the resource property.
     */
    public String getResource(String key) {
        return getResource(key, null);
    }

    /**
     * Get the resource property.
     */
    public String getResource(String key, Object[] messageArguments) {
        String result = findResource(customResourceBundle, key);

        if (result == null) {
            result = findResource(defaultResourceBundle, key);
        }

        if (result != null && messageArguments != null) {
            MessageFormat formatter = new MessageFormat("");
            formatter.setLocale(model.getTableHandler().getTable().getLocale());
            formatter.applyPattern(result);
            result = formatter.format(messageArguments);
        }

        return result;
    }

    private String findResource(ResourceBundle resourceBundle, String key) {
        String result = null;

        if (resourceBundle == null) {
            return result;
        }

        try {
            result = resourceBundle.getString(key);
        } catch (MissingResourceException e) {
            // nothing we can do so eat the message
        }

        return result;
    }
}