com.hazelcast.config.InMemoryXmlConfig Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2024, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.config;
import com.hazelcast.logging.ILogger;
import com.hazelcast.logging.Logger;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.Properties;
import static com.hazelcast.internal.util.Preconditions.checkTrue;
import static com.hazelcast.internal.util.StringUtil.isNullOrEmptyAfterTrim;
import static com.hazelcast.internal.util.StringUtil.stringToBytes;
/**
* Creates a {@link Config} loaded from an in-memory Hazelcast XML String.
*
*
* Unlike {@link Config#loadFromString(String)} and its variants, a configuration constructed via
* {@code InMemoryXmlConfig} does not apply overrides found in environment variables/system properties.
*/
public class InMemoryXmlConfig extends Config {
private static final ILogger LOGGER = Logger.getLogger(InMemoryXmlConfig.class);
/**
* Creates a Config from the provided XML string and uses the System.properties to resolve variables
* in the XML.
*
* @param xml the XML content as a Hazelcast XML String
* @throws IllegalArgumentException if the XML is null or empty
* @throws InvalidConfigurationException if the XML content is invalid
*/
public InMemoryXmlConfig(String xml) {
this(xml, System.getProperties());
}
/**
* Creates a Config from the provided XML string and properties to resolve the variables in the XML.
*
* @param xml the XML content as a Hazelcast XML String
* @throws IllegalArgumentException if the XML is null or empty or if properties is null
* @throws InvalidConfigurationException if the XML content is invalid
*/
public InMemoryXmlConfig(String xml, Properties properties) {
LOGGER.info("Configuring Hazelcast from 'in-memory xml'.");
if (isNullOrEmptyAfterTrim(xml)) {
throw new IllegalArgumentException("XML configuration is null or empty! Please use a well-structured xml.");
}
checkTrue(properties != null, "properties can't be null");
InputStream in = new ByteArrayInputStream(stringToBytes(xml));
new XmlConfigBuilder(in).setProperties(properties).build(this);
}
}