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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.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashMap;
import java.util.Map;
public abstract class URISchema {
public abstract String getSchemaName();
public T newObject(URI uri, P param) throws Exception {
return newObject(uri, null, param);
}
public void populateObject(URI uri, T bean) throws Exception {
internalPopulateObject(uri, parseQuery(uri.getQuery(), null), bean);
}
public URI newURI(T bean) throws Exception {
return internalNewURI(bean);
}
private URIFactory parentFactory;
void setFactory(URIFactory factory) {
this.parentFactory = factory;
}
protected URIFactory getFactory() {
return parentFactory;
}
protected String getHost(URI uri) {
URI defaultFactory = getDefaultURI();
if (defaultFactory != null && uri.getHost() == null && defaultFactory.getScheme().equals(uri.getScheme())) {
uri = defaultFactory;
}
return uri.getHost();
}
protected URI getDefaultURI() {
URIFactory factory = getFactory();
if (factory == null) {
return null;
} else {
return factory.getDefaultURI();
}
}
protected int getPort(URI uri) {
URI defaultFactory = getDefaultURI();
if (defaultFactory != null && uri.getPort() < 0 && defaultFactory.getScheme().equals(uri.getScheme())) {
uri = defaultFactory;
}
return uri.getPort();
}
/**
* It will create a new Object for the URI selected schema.
* the propertyOverrides is used to replace whatever was defined on the URL string
*
* @param uri The URI
* @param propertyOverrides used to replace whatever was defined on the URL string
* @return new Object
* @throws Exception On error
*/
public T newObject(URI uri, Map propertyOverrides, P param) throws Exception {
return internalNewObject(uri, parseQuery(uri.getQuery(), propertyOverrides), param);
}
protected abstract T internalNewObject(URI uri, Map query, P param) throws Exception;
/**
* This is the default implementation.
* Sub classes are should provide a proper implementation for their schemas.
*/
protected URI internalNewURI(T bean) throws Exception {
String query = BeanSupport.getData(null, bean);
return new URI(getSchemaName(), null, "//", query, null);
}
protected void internalPopulateObject(URI uri, Map query, T bean) throws Exception {
BeanSupport.setData(uri, bean, query);
}
public static Map parseQuery(String uri,
Map propertyOverrides) throws URISyntaxException {
try {
Map rc = new HashMap<>();
if (uri != null && !uri.isEmpty()) {
String[] parameters = uri.split("&");
for (String parameter : parameters) {
int p = parameter.indexOf("=");
if (p >= 0) {
String name = BeanSupport.decodeURI(parameter.substring(0, p));
String value = BeanSupport.decodeURI(parameter.substring(p + 1));
rc.put(name, value);
} else {
if (!parameter.trim().isEmpty()) {
rc.put(parameter, null);
}
}
}
}
if (propertyOverrides != null) {
for (Map.Entry entry : propertyOverrides.entrySet()) {
rc.put(entry.getKey(), entry.getValue());
}
}
return rc;
} catch (UnsupportedEncodingException e) {
throw (URISyntaxException) new URISyntaxException(e.toString(), "Invalid encoding").initCause(e);
}
}
protected String printQuery(Map query) {
StringBuffer buffer = new StringBuffer();
for (Map.Entry entry : query.entrySet()) {
buffer.append(entry.getKey() + "=" + entry.getValue());
buffer.append("\n");
}
return buffer.toString();
}
}
