org.gsweb.components.util.ComponentResourceUtils.java Source code

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Here is the source code for org.gsweb.components.util.ComponentResourceUtils.java

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/* 
 * Copyright 2012-2016 bambooCORE, greenstep of copyright Chen Xin Nien
 * 
 * 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.
 * 
 * -----------------------------------------------------------------------
 * 
 * author:    Chen Xin Nien
 * contact: chen.xin.nien@gmail.com
 * 
 */
package org.gsweb.components.util;

import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.lang3.StringUtils;

import com.netsteadfast.greenstep.base.Constants;

import freemarker.cache.StringTemplateLoader;
import freemarker.template.Configuration;
import freemarker.template.Template;

public class ComponentResourceUtils {
    private static Map<String, Object> resource = new HashMap<String, Object>();

    public synchronized static Object get(String key) {
        return resource.get(key);
    }

    public synchronized static void put(String key, Object value) {
        if (resource.get(key) == null) {
            resource.put(key, value);
        }
    }

    public static String getResourceSrc(Class<?> c, String metaInfJSFile) {
        String key = c.getName();
        String out = (String) get(key);
        if (out == null) {
            try {
                out = org.apache.commons.io.IOUtils.toString(
                        c.getClassLoader().getResource(metaInfJSFile).openStream(), Constants.BASE_ENCODING);
                put(key, out);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return out;
    }

    public static String getResourceSrc(Class<?> c, String type, String metaInfFile) {
        String key = c.getName() + "." + type;
        String out = (String) get(key);
        if (out == null) {
            try {
                out = org.apache.commons.io.IOUtils.toString(
                        c.getClassLoader().getResource(metaInfFile).openStream(), Constants.BASE_ENCODING);
                put(key, out);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return out;
    }

    public static String generatorResource(Class<?> c, String type, String metaInfFile, Map<String, Object> params)
            throws Exception {
        StringTemplateLoader templateLoader = new StringTemplateLoader();
        templateLoader.putTemplate("resourceTemplate", getResourceSrc(c, type, metaInfFile));
        Configuration cfg = new Configuration(Configuration.VERSION_2_3_21);
        cfg.setTemplateLoader(templateLoader);
        Template template = cfg.getTemplate("resourceTemplate", Constants.BASE_ENCODING);
        Writer out = new StringWriter();
        template.process(params, out);
        return out.toString();
    }

    public static String getScriptFunctionNameForXhrMain(String functionName) {
        if (StringUtils.isBlank(functionName)) {
            return "";
        }
        functionName = functionName.trim();
        if (functionName.indexOf(";") > -1) {
            functionName = StringUtils.replaceOnce(functionName, ";", "");
        }
        if (functionName.indexOf(")") == -1) {
            functionName = functionName + "()";
        }
        return functionName;
    }

    public static String getScriptFunctionNameForGridParams(String functionName) {
        if (StringUtils.isBlank(functionName)) {
            return "";
        }
        functionName = functionName.trim();
        if (functionName.indexOf(";") > -1) {
            functionName = StringUtils.replaceOnce(functionName, ";", "");
        }
        return functionName;
    }

    public static String getScriptFunctionNameForInCall(String functionName) {
        if (StringUtils.isBlank(functionName)) {
            return "";
        }
        functionName = functionName.trim();
        if (functionName.indexOf(")") == -1) {
            functionName += "()";
        }
        if (functionName.indexOf(";") == -1) {
            functionName += ";";
        }
        return functionName;
    }

    public static void main(String args[]) throws Exception {
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("parameterType", "postData");
        params.put("id", "test");
        params.put("onClick", "myFunction_AA");
        params.put("xhrParameter", " ");
        params.put("xhrUrl", "mydata.do");
        params.put("handleAs", "json");
        params.put("timeout", "600000");
        params.put("sync", "true");
        params.put("preventCache", "true");
        params.put("loadFn", "aa();");
        params.put("errorFn", "bb();");
        System.out.println(generatorResource(ComponentResourceUtils.class, "script",
                "META-INF/resource/button/ui.button.js", params));
    }

}