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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.dubbo.common;
import org.apache.dubbo.common.extension.ExtensionLoader;
import org.apache.dubbo.common.logger.ErrorTypeAwareLogger;
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;
import static org.apache.dubbo.common.constants.LoggerCodeConstants.COMMON_UNEXPECTED_EXCEPTION;
/**
* Parameters for backward compatibility for version prior to 2.0.5
*
* @deprecated
*/
@Deprecated
public class Parameters {
protected static final ErrorTypeAwareLogger logger = LoggerFactory.getErrorTypeAwareLogger(Parameters.class);
private final Map parameters;
public Parameters(String... pairs) {
this(toMap(pairs));
}
public Parameters(Map parameters) {
this.parameters = Collections.unmodifiableMap(parameters != null ? new HashMap<>(parameters) : new HashMap<>(0));
}
private static Map toMap(String... pairs) {
return CollectionUtils.toStringMap(pairs);
}
public static Parameters parseParameters(String query) {
return new Parameters(StringUtils.parseQueryString(query));
}
public Map getParameters() {
return parameters;
}
public T getExtension(Class type, String key) {
String name = getParameter(key);
return ExtensionLoader.getExtensionLoader(type).getExtension(name);
}
public T getExtension(Class type, String key, String defaultValue) {
String name = getParameter(key, defaultValue);
return ExtensionLoader.getExtensionLoader(type).getExtension(name);
}
public T getMethodExtension(Class type, String method, String key) {
String name = getMethodParameter(method, key);
return ExtensionLoader.getExtensionLoader(type).getExtension(name);
}
public T getMethodExtension(Class 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(COMMON_UNEXPECTED_EXCEPTION, "", "", 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());
}
}