org.apache.activemq.artemis.utils.uri.BeanSupport.java Source code

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Here is the source code for org.apache.activemq.artemis.utils.uri.BeanSupport.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.activemq.artemis.utils.uri;

import java.beans.PropertyDescriptor;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.apache.commons.beanutils.BeanUtilsBean;
import org.apache.commons.beanutils.Converter;

public class BeanSupport {

    private static final BeanUtilsBean beanUtils = new BeanUtilsBean();

    static {
        // This is to customize the BeanUtils to use Fluent Proeprties as well
        beanUtils.getPropertyUtils().addBeanIntrospector(new FluentPropertyBeanIntrospectorWithIgnores());
    }

    public static void registerConverter(Converter converter, Class type) {
        synchronized (beanUtils) {
            beanUtils.getConvertUtils().register(converter, type);
        }
    }

    public static <P> P copyData(P source, P target) throws Exception {
        synchronized (beanUtils) {
            beanUtils.copyProperties(source, target);
        }
        return target;
    }

    public static <P> P setData(URI uri, P obj, Map<String, String> query) throws Exception {
        synchronized (beanUtils) {
            beanUtils.setProperty(obj, "host", uri.getHost());
            beanUtils.setProperty(obj, "port", uri.getPort());
            beanUtils.setProperty(obj, "userInfo", uri.getUserInfo());
            beanUtils.populate(obj, query);
        }
        return obj;
    }

    public static <P> P setData(P obj, Map<String, Object> data) throws Exception {
        synchronized (beanUtils) {
            beanUtils.populate(obj, data);
        }
        return obj;
    }

    public static void setData(URI uri, HashMap<String, Object> properties, Set<String> allowableProperties,
            Map<String, String> query, Map<String, Object> extraProps) {
        if (allowableProperties.contains("host")) {
            properties.put("host", "" + uri.getHost());
        }
        if (allowableProperties.contains("port")) {
            properties.put("port", "" + uri.getPort());
        }
        if (allowableProperties.contains("userInfo")) {
            properties.put("userInfo", "" + uri.getUserInfo());
        }
        for (Map.Entry<String, String> entry : query.entrySet()) {
            if (allowableProperties.contains(entry.getKey())) {
                properties.put(entry.getKey(), entry.getValue());
            } else {
                extraProps.put(entry.getKey(), entry.getValue());
            }
        }
    }

    public static String getData(List<String> ignored, Object... beans) throws Exception {
        StringBuilder sb = new StringBuilder();
        boolean empty = true;
        synchronized (beanUtils) {
            for (Object bean : beans) {
                if (bean != null) {
                    PropertyDescriptor[] descriptors = beanUtils.getPropertyUtils().getPropertyDescriptors(bean);
                    for (PropertyDescriptor descriptor : descriptors) {
                        if (descriptor.getReadMethod() != null && isWriteable(descriptor, ignored)) {
                            String value = beanUtils.getProperty(bean, descriptor.getName());
                            if (value != null) {
                                if (!empty) {
                                    sb.append("&");
                                }
                                empty = false;
                                sb.append(descriptor.getName()).append("=").append(encodeURI(value));
                            }
                        }
                    }
                }
            }
        }
        return sb.toString();
    }

    private static boolean isWriteable(PropertyDescriptor descriptor, List<String> ignored) {
        if (ignored != null && ignored.contains(descriptor.getName())) {
            return false;
        }
        Class<?> type = descriptor.getPropertyType();
        return (type == Double.class) || (type == double.class) || (type == Long.class) || (type == long.class)
                || (type == Integer.class) || (type == int.class) || (type == Float.class) || (type == float.class)
                || (type == Boolean.class) || (type == boolean.class) || (type == String.class);
    }

    public static String decodeURI(String value) throws UnsupportedEncodingException {
        return URLDecoder.decode(value, "UTF-8");
    }

    public static String encodeURI(String value) throws UnsupportedEncodingException {
        return URLEncoder.encode(value, "UTF-8");
    }

}