/**
* Copyright 2015-2017 Linagora, Université Joseph Fourier, Floralis
*
* The present code is developed in the scope of the joint LINAGORA -
* Université Joseph Fourier - Floralis research program and is designated
* as a "Result" pursuant to the terms and conditions of the LINAGORA
* - Université Joseph Fourier - Floralis research program. Each copyright
* holder of Results enumerated here above fully & independently holds complete
* ownership of the complete Intellectual Property rights applicable to the whole
* of said Results, and may freely exploit it in any manner which does not infringe
* the moral rights of the other copyright holders.
*
* 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 net.roboconf.dm.internal.api.impl.beans;
import java.util.Objects;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import net.roboconf.core.model.beans.AbstractApplication;
import net.roboconf.core.model.beans.ApplicationTemplate;
import net.roboconf.core.model.beans.Instance;
import net.roboconf.core.model.helpers.InstanceHelpers;
/**
* A class to ease searching when dealing when instances / components and several applications or templates.
* @author Vincent Zurczak - Linagora
*/
public class InstanceContext {
// Components names start with '@'.
private String instancePathOrComponentName;
private final String name, qualifier;
/**
* Constructor.
* @param app
* @param inst
*/
public InstanceContext( AbstractApplication app, Instance inst ) {
this( app );
this.instancePathOrComponentName = inst == null ? null : InstanceHelpers.computeInstancePath( inst );
}
/**
* Constructor.
* @param name
* @param qualifier
* @param instancePathOrComponentName
*/
public InstanceContext( String name, String qualifier, String instancePathOrComponentName ) {
this.name = name;
this.qualifier = qualifier;
this.instancePathOrComponentName = instancePathOrComponentName;
}
/**
* Constructor.
* @param app
*/
public InstanceContext( AbstractApplication app ) {
this.name = app.getName();
this.qualifier = app instanceof ApplicationTemplate ? ((ApplicationTemplate) app).getQualifier() : null;
}
/**
* Constructor.
* @param app
* @param instancePathOrComponentName
*/
public InstanceContext( AbstractApplication app, String instancePathOrComponentName ) {
this( app );
this.instancePathOrComponentName = instancePathOrComponentName;
}
@Override
public String toString() {
return this.name + "::" + this.qualifier + "::" + this.instancePathOrComponentName;
}
/**
* Parses a string to resolve a target mapping key.
* @param s a string (can be null)
* @return a target mapping key (never null)
*/
public static InstanceContext parse( String s ) {
String name = null, qualifier = null, instancePathOrComponentName = null;
if( s != null ) {
Matcher m = Pattern.compile( "(.*)::(.*)::(.*)" ).matcher( s );
if( m.matches()) {
name = m.group( 1 ).equals( "null" ) ? null : m.group( 1 );
qualifier = m.group( 2 ).equals( "null" ) ? null : m.group( 2 );
instancePathOrComponentName = m.group( 3 ).equals( "null" ) ? null : m.group( 3 );
}
}
return new InstanceContext( name, qualifier, instancePathOrComponentName );
}
@Override
public int hashCode() {
int i1 = this.name == null ? 11 : this.name.hashCode();
int i2 = this.qualifier == null ? 3 : this.qualifier.hashCode();
return i1 + i2;
}
@Override
public boolean equals( Object obj ) {
return obj instanceof InstanceContext
&& Objects.equals( this.name, ((InstanceContext) obj).name )
&& Objects.equals( this.qualifier, ((InstanceContext) obj).qualifier )
&& Objects.equals( this.instancePathOrComponentName, ((InstanceContext) obj).instancePathOrComponentName );
}
/**
* @return the name
*/
public String getName() {
return this.name;
}
/**
* @return the qualifier
*/
public String getQualifier() {
return this.qualifier;
}
/**
* @return the instancePathOrComponentName
*/
public String getInstancePathOrComponentName() {
return this.instancePathOrComponentName;
}
}