/* | |
* Copyright 1999-2011 Alibaba Group. | |
* | |
* 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 com.alibaba.dubbo.common; | |
import java.io.UnsupportedEncodingException; | |
import java.net.URLDecoder; | |
import java.util.Collections; | |
import java.util.HashMap; | |
import java.util.Map; | |
import com.alibaba.dubbo.common.logger.Logger; | |
import com.alibaba.dubbo.common.logger.LoggerFactory; | |
import com.alibaba.dubbo.common.utils.StringUtils; | |
/** | |
* 兼容2.0.5之前版本 | |
* @author tony.chenl | |
*/ | |
@Deprecated | |
public class Parameters { | |
private final Map<String, String> parameters; | |
protected static final Logger logger = LoggerFactory.getLogger(Parameters.class); | |
public Parameters(String... pairs) { | |
this(toMap(pairs)); | |
} | |
public Parameters(Map<String, String> parameters){ | |
this.parameters = Collections.unmodifiableMap(parameters != null ? new HashMap<String, String>(parameters) : new HashMap<String, String>(0)); | |
} | |
private static Map<String, String> toMap(String... pairs) { | |
Map<String, String> parameters = new HashMap<String, String>(); | |
if (pairs.length > 0) { | |
if (pairs.length % 2 != 0) { | |
throw new IllegalArgumentException("pairs must be even."); | |
} | |
for (int i = 0; i < pairs.length; i = i + 2) { | |
parameters.put(pairs[i], pairs[i + 1]); | |
} | |
} | |
return parameters; | |
} | |
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 (value == null || value.length() == 0) { | |
value = parameters.get(Constants.HIDE_KEY_PREFIX + key); | |
} | |
if (value == null || value.length() == 0) { | |
value = parameters.get(Constants.DEFAULT_KEY_PREFIX + key); | |
} | |
if (value == null || value.length() == 0) { | |
value = parameters.get(Constants.HIDE_KEY_PREFIX + Constants.DEFAULT_KEY_PREFIX + key); | |
} | |
return value; | |
} | |
public String getParameter(String key, String defaultValue) { | |
String value = getParameter(key); | |
if (value == null || value.length() == 0) { | |
return defaultValue; | |
} | |
return value; | |
} | |
public int getIntParameter(String key) { | |
String value = getParameter(key); | |
if (value == null || value.length() == 0) { | |
return 0; | |
} | |
return Integer.parseInt(value); | |
} | |
public int getIntParameter(String key, int defaultValue) { | |
String value = getParameter(key); | |
if (value == null || value.length() == 0) { | |
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 (value == null || value.length() == 0) { | |
return defaultValue; | |
} | |
int i = Integer.parseInt(value); | |
if (i > 0) { | |
return i; | |
} | |
return defaultValue; | |
} | |
public boolean getBooleanParameter(String key) { | |
String value = getParameter(key); | |
if (value == null || value.length() == 0) { | |
return false; | |
} | |
return Boolean.parseBoolean(value); | |
} | |
public boolean getBooleanParameter(String key, boolean defaultValue) { | |
String value = getParameter(key); | |
if (value == null || value.length() == 0) { | |
return defaultValue; | |
} | |
return Boolean.parseBoolean(value); | |
} | |
public boolean hasParamter(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 (value == null || value.length() == 0) { | |
value = parameters.get(Constants.HIDE_KEY_PREFIX + method + "." + key); | |
} | |
if (value == null || value.length() == 0) { | |
return getParameter(key); | |
} | |
return value; | |
} | |
public String getMethodParameter(String method, String key, String defaultValue) { | |
String value = getMethodParameter(method, key); | |
if (value == null || value.length() == 0) { | |
return defaultValue; | |
} | |
return value; | |
} | |
public int getMethodIntParameter(String method, String key) { | |
String value = getMethodParameter(method, key); | |
if (value == null || value.length() == 0) { | |
return 0; | |
} | |
return Integer.parseInt(value); | |
} | |
public int getMethodIntParameter(String method, String key, int defaultValue) { | |
String value = getMethodParameter(method, key); | |
if (value == null || value.length() == 0) { | |
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 (value == null || value.length() == 0) { | |
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 (value == null || value.length() == 0) { | |
return false; | |
} | |
return Boolean.parseBoolean(value); | |
} | |
public boolean getMethodBooleanParameter(String method, String key, boolean defaultValue) { | |
String value = getMethodParameter(method, key); | |
if (value == null || value.length() == 0) { | |
return defaultValue; | |
} | |
return Boolean.parseBoolean(value); | |
} | |
public boolean hasMethodParamter(String method, String key) { | |
String value = getMethodParameter(method, key); | |
return value != null && value.length() > 0; | |
} | |
public static Parameters parseParameters(String query) { | |
return new Parameters(StringUtils.parseQueryString(query)); | |
} | |
public boolean equals(Object o) { | |
return parameters.equals(o); | |
} | |
public int hashCode() { | |
return parameters.hashCode(); | |
} | |
@Override | |
public String toString() { | |
return StringUtils.toQueryString(getParameters()); | |
} | |
} |