org.fabric3.introspection.xml.common.ConfigurationLoader Maven / Gradle / Ivy
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/*
* Fabric3
* Copyright (c) 2009-2015 Metaform Systems
*
* 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.
*
* Portions originally based on Apache Tuscany 2007
* licensed under the Apache 2.0 license.
*/
package org.fabric3.introspection.xml.common;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import java.util.LinkedHashMap;
import java.util.Map;
import org.fabric3.spi.introspection.IntrospectionContext;
import org.fabric3.spi.introspection.xml.TypeLoader;
import org.oasisopen.sca.annotation.EagerInit;
import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
/**
* Loads a configuration element of the form:
*
*
* <configuration>
* <key1>value1</key1>
* <key2>value2</key2>
* </configuration>
*
* as a Map of String keys and values.
*/
@EagerInit
public class ConfigurationLoader implements TypeLoader> {
public Map load(XMLStreamReader reader, IntrospectionContext context) throws XMLStreamException {
Map configuration = new LinkedHashMap<>();
while (true) {
switch (reader.next()) {
case START_ELEMENT:
String name = reader.getName().getLocalPart();
String value = reader.getElementText();
configuration.put(name, value);
break;
case END_ELEMENT:
name = reader.getName().getLocalPart();
if ("configuration".equals(name)) {
return configuration;
}
break;
}
}
}
}