| /* |
| * 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.dubbo.common; |
| |
| import org.apache.dubbo.common.extension.ExtensionLoader; |
| import org.apache.dubbo.common.logger.Logger; |
| import org.apache.dubbo.common.logger.LoggerFactory; |
| import org.apache.dubbo.common.utils.CollectionUtils; |
| import org.apache.dubbo.common.utils.StringUtils; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.net.URLDecoder; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import static org.apache.dubbo.common.constants.CommonConstants.DEFAULT_KEY_PREFIX; |
| import static org.apache.dubbo.common.constants.CommonConstants.HIDE_KEY_PREFIX; |
| |
| /** |
| * Parameters for backward compatibility for version prior to 2.0.5 |
| * |
| * @deprecated |
| */ |
| @Deprecated |
| public class Parameters { |
| protected static final Logger logger = LoggerFactory.getLogger(Parameters.class); |
| private final Map<String, String> parameters; |
| |
| public Parameters(String... pairs) { |
| this(toMap(pairs)); |
| } |
| |
| public Parameters(Map<String, String> parameters) { |
| this.parameters = Collections.unmodifiableMap(parameters != null ? new HashMap<>(parameters) : new HashMap<>(0)); |
| } |
| |
| private static Map<String, String> toMap(String... pairs) { |
| return CollectionUtils.toStringMap(pairs); |
| } |
| |
| public static Parameters parseParameters(String query) { |
| return new Parameters(StringUtils.parseQueryString(query)); |
| } |
| |
| public Map<String, String> getParameters() { |
| return parameters; |
| } |
| |
| public <T> T getExtension(Class<T> type, String key) { |
| String name = getParameter(key); |
| return ExtensionLoader.getExtensionLoader(type).getExtension(name); |
| } |
| |
| public <T> T getExtension(Class<T> type, String key, String defaultValue) { |
| String name = getParameter(key, defaultValue); |
| return ExtensionLoader.getExtensionLoader(type).getExtension(name); |
| } |
| |
| public <T> T getMethodExtension(Class<T> type, String method, String key) { |
| String name = getMethodParameter(method, key); |
| return ExtensionLoader.getExtensionLoader(type).getExtension(name); |
| } |
| |
| public <T> T getMethodExtension(Class<T> type, String method, String key, String defaultValue) { |
| String name = getMethodParameter(method, key, defaultValue); |
| return ExtensionLoader.getExtensionLoader(type).getExtension(name); |
| } |
| |
| public String getDecodedParameter(String key) { |
| return getDecodedParameter(key, null); |
| } |
| |
| public String getDecodedParameter(String key, String defaultValue) { |
| String value = getParameter(key, defaultValue); |
| if (value != null && value.length() > 0) { |
| try { |
| value = URLDecoder.decode(value, "UTF-8"); |
| } catch (UnsupportedEncodingException e) { |
| logger.error(e.getMessage(), e); |
| } |
| } |
| return value; |
| } |
| |
| public String getParameter(String key) { |
| String value = parameters.get(key); |
| if (StringUtils.isEmpty(value)) { |
| value = parameters.get(HIDE_KEY_PREFIX + key); |
| } |
| if (StringUtils.isEmpty(value)) { |
| value = parameters.get(DEFAULT_KEY_PREFIX + key); |
| } |
| if (StringUtils.isEmpty(value)) { |
| value = parameters.get(HIDE_KEY_PREFIX + DEFAULT_KEY_PREFIX + key); |
| } |
| return value; |
| } |
| |
| public String getParameter(String key, String defaultValue) { |
| String value = getParameter(key); |
| if (StringUtils.isEmpty(value)) { |
| return defaultValue; |
| } |
| return value; |
| } |
| |
| public int getIntParameter(String key) { |
| String value = getParameter(key); |
| if (StringUtils.isEmpty(value)) { |
| return 0; |
| } |
| return Integer.parseInt(value); |
| } |
| |
| public int getIntParameter(String key, int defaultValue) { |
| String value = getParameter(key); |
| if (StringUtils.isEmpty(value)) { |
| return defaultValue; |
| } |
| return Integer.parseInt(value); |
| } |
| |
| public int getPositiveIntParameter(String key, int defaultValue) { |
| if (defaultValue <= 0) { |
| throw new IllegalArgumentException("defaultValue <= 0"); |
| } |
| String value = getParameter(key); |
| if (StringUtils.isEmpty(value)) { |
| return defaultValue; |
| } |
| int i = Integer.parseInt(value); |
| if (i > 0) { |
| return i; |
| } |
| return defaultValue; |
| } |
| |
| public boolean getBooleanParameter(String key) { |
| String value = getParameter(key); |
| if (StringUtils.isEmpty(value)) { |
| return false; |
| } |
| return Boolean.parseBoolean(value); |
| } |
| |
| public boolean getBooleanParameter(String key, boolean defaultValue) { |
| String value = getParameter(key); |
| if (StringUtils.isEmpty(value)) { |
| return defaultValue; |
| } |
| return Boolean.parseBoolean(value); |
| } |
| |
| public boolean hasParameter(String key) { |
| String value = getParameter(key); |
| return value != null && value.length() > 0; |
| } |
| |
| public String getMethodParameter(String method, String key) { |
| String value = parameters.get(method + "." + key); |
| if (StringUtils.isEmpty(value)) { |
| value = parameters.get(HIDE_KEY_PREFIX + method + "." + key); |
| } |
| if (StringUtils.isEmpty(value)) { |
| return getParameter(key); |
| } |
| return value; |
| } |
| |
| public String getMethodParameter(String method, String key, String defaultValue) { |
| String value = getMethodParameter(method, key); |
| if (StringUtils.isEmpty(value)) { |
| return defaultValue; |
| } |
| return value; |
| } |
| |
| public int getMethodIntParameter(String method, String key) { |
| String value = getMethodParameter(method, key); |
| if (StringUtils.isEmpty(value)) { |
| return 0; |
| } |
| return Integer.parseInt(value); |
| } |
| |
| public int getMethodIntParameter(String method, String key, int defaultValue) { |
| String value = getMethodParameter(method, key); |
| if (StringUtils.isEmpty(value)) { |
| return defaultValue; |
| } |
| return Integer.parseInt(value); |
| } |
| |
| public int getMethodPositiveIntParameter(String method, String key, int defaultValue) { |
| if (defaultValue <= 0) { |
| throw new IllegalArgumentException("defaultValue <= 0"); |
| } |
| String value = getMethodParameter(method, key); |
| if (StringUtils.isEmpty(value)) { |
| return defaultValue; |
| } |
| int i = Integer.parseInt(value); |
| if (i > 0) { |
| return i; |
| } |
| return defaultValue; |
| } |
| |
| public boolean getMethodBooleanParameter(String method, String key) { |
| String value = getMethodParameter(method, key); |
| if (StringUtils.isEmpty(value)) { |
| return false; |
| } |
| return Boolean.parseBoolean(value); |
| } |
| |
| public boolean getMethodBooleanParameter(String method, String key, boolean defaultValue) { |
| String value = getMethodParameter(method, key); |
| if (StringUtils.isEmpty(value)) { |
| return defaultValue; |
| } |
| return Boolean.parseBoolean(value); |
| } |
| |
| public boolean hasMethodParameter(String method, String key) { |
| String value = getMethodParameter(method, key); |
| return value != null && value.length() > 0; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| return parameters.equals(o); |
| } |
| |
| @Override |
| public int hashCode() { |
| return parameters.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return StringUtils.toQueryString(getParameters()); |
| } |
| |
| } |