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/*
* Copyright (c) 2013 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Christian W. Damus (CEA LIST) - initial API and implementation
*/
package org.eclipse.emf.cdo.ui.internal.admin;
import org.eclipse.emf.cdo.ui.internal.admin.messages.Messages;
import org.eclipse.net4j.util.StringUtil;
import org.eclipse.net4j.util.io.IOUtil;
import java.net.URL;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* @author Christian W. Damus (CEA LIST)
*/
public abstract class StoreType
{
private static final List<StoreType> INSTANCES = Collections.unmodifiableList(Arrays.asList(initStoreTypes()));
private final String id;
private final String name;
public StoreType(String id, String name)
{
this.id = id;
this.name = name;
}
public static List<StoreType> getInstances()
{
return INSTANCES;
}
public String getID()
{
return id;
}
public String getName()
{
return name;
}
public abstract String getStoreTypeID();
public String getStoreXML(Map<String, Object> storeProperties)
{
String template = getTemplate();
return fillTemplate(template, storeProperties);
}
protected abstract String fillTemplate(String xmlTemplate, Map<String, Object> storeProperties);
protected String replaceVariables(String template, Map<String, String> variables)
{
String result = template;
for (Map.Entry<String, String> entry : variables.entrySet())
{
result = result.replace("{{" + entry.getKey() + "}}", entry.getValue()); //$NON-NLS-1$ //$NON-NLS-2$
}
return result;
}
private String getTemplate()
{
URL url = getClass().getResource(getStoreTypeID() + ".template.xml"); //$NON-NLS-1$
return IOUtil.readText(url);
}
@Override
public String toString()
{
return getName();
}
private static StoreType[] initStoreTypes()
{
// TODO: Make these contributable by store UI plug-ins
return new StoreType[] { new Database("h2", Messages.StoreType_0, "org.h2.jdbcx.JdbcDataSource", "jdbc:h2:%s"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
};
}
/**
* @author Christian W. Damus (CEA LIST)
*/
public static class Database extends StoreType
{
public static final String PROPERTY_PATH = "path"; //$NON-NLS-1$
public static final String PROPERTY_CONNECTION_KEEP_ALIVE_PERIOD = "connectionKeepAlivePeriod"; //$NON-NLS-1$
public static final String DEFAULT_CONNECTION_KEEP_ALIVE_PERIOD = "60"; //$NON-NLS-1$
public static final String PROPERTY_READER_POOL_CAPACITY = "readerPoolCapacity"; //$NON-NLS-1$
public static final String DEFAULT_READER_POOL_CAPACITY = "15"; //$NON-NLS-1$
public static final String PROPERTY_WRITER_POOL_CAPACITY = "writerPoolCapacity"; //$NON-NLS-1$
public static final String DEFAULT_WRITER_POOL_CAPACITY = "15"; //$NON-NLS-1$
private final String adapter;
private final String dataSourceClassName;
private final String urlPattern;
public Database(String id, String name, String dataSourceClassName, String urlPattern)
{
super("db." + id, name); //$NON-NLS-1$
adapter = id;
this.dataSourceClassName = dataSourceClassName;
this.urlPattern = urlPattern;
}
@Override
public String getStoreTypeID()
{
return "db"; //$NON-NLS-1$
}
public String getAdapter()
{
return adapter;
}
public String getDataSourceClassName()
{
return dataSourceClassName;
}
public String getDataSourceURL(String storePath)
{
return String.format(urlPattern, storePath);
}
@Override
protected String fillTemplate(String xmlTemplate, Map<String, Object> storeProperties)
{
Map<String, String> variables = new java.util.HashMap<String, String>();
variables.put("adapter", getAdapter()); //$NON-NLS-1$
variables.put("dataSource.class", getDataSourceClassName()); //$NON-NLS-1$
variables.put("dataSource.url", getDataSourceURL((String)storeProperties.get(PROPERTY_PATH))); //$NON-NLS-1$
variables.put("keepAlive", //$NON-NLS-1$
defaultString(storeProperties, PROPERTY_CONNECTION_KEEP_ALIVE_PERIOD, DEFAULT_CONNECTION_KEEP_ALIVE_PERIOD));
variables.put("readerPool", //$NON-NLS-1$
defaultString(storeProperties, PROPERTY_READER_POOL_CAPACITY, DEFAULT_READER_POOL_CAPACITY));
variables.put("writerPool", //$NON-NLS-1$
defaultString(storeProperties, PROPERTY_WRITER_POOL_CAPACITY, DEFAULT_WRITER_POOL_CAPACITY));
return replaceVariables(xmlTemplate, variables);
}
private String defaultString(Map<String, Object> storeProperties, String key, String defaultValue)
{
String value = (String)storeProperties.get(key);
return StringUtil.isEmpty(value) ? defaultValue : value;
}
}
}
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