/**
* Copyright 2009 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.safehaus.penrose.studio.attribute.wizard;
import org.apache.log4j.Logger;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.jface.wizard.Wizard;
import org.safehaus.penrose.directory.*;
import org.safehaus.penrose.studio.server.Server;
import org.safehaus.penrose.studio.expression.wizard.ExpressionWizardPage;
import org.safehaus.penrose.studio.dialog.ErrorDialog;
import org.safehaus.penrose.client.PenroseClient;
import org.safehaus.penrose.schema.SchemaManagerClient;
import org.safehaus.penrose.schema.Schema;
import org.safehaus.penrose.mapping.Expression;
import org.safehaus.penrose.partition.PartitionManagerClient;
import org.safehaus.penrose.partition.PartitionClient;
import org.safehaus.penrose.source.SourceManagerClient;
import org.safehaus.penrose.source.SourceClient;
import java.util.Collection;
import java.util.ArrayList;
/**
* @author Endi S. Dewata
*/
public class AttributeWizard extends Wizard {
Logger log = Logger.getLogger(getClass());
private Server server;
private String partitionName;
private Collection<EntrySourceConfig> entrySourceConfigs = new ArrayList<EntrySourceConfig>();
private EntryAttributeConfig attributeConfig;
public AttributeWizardPage attributePage;
public ExpressionWizardPage expressionPage;
public AttributeWizard() {
}
public void addPages() {
try {
PenroseClient client = server.getClient();
SchemaManagerClient schemaManagerClient = client.getSchemaManagerClient();
Schema schema = schemaManagerClient.getSchema();
PartitionManagerClient partitionManagerClient = client.getPartitionManagerClient();
PartitionClient partitionClient = partitionManagerClient.getPartitionClient(partitionName);
SourceManagerClient sourceManagerClient = partitionClient.getSourceManagerClient();
Collection<String> variables = new ArrayList<String>();
for (EntrySourceConfig entrySourceConfig : entrySourceConfigs) {
String alias = entrySourceConfig.getAlias();
alias = alias == null ? entrySourceConfig.getSourceName() : alias;
SourceClient sourceClient = sourceManagerClient.getSourceClient(entrySourceConfig.getSourceName());
variables.add(alias);
for (String fieldName : sourceClient.getFieldNames()) {
variables.add(alias+ "."+fieldName);
}
}
attributePage = new AttributeWizardPage();
attributePage.setSchema(schema);
attributePage.setAttributeName(attributeConfig.getName());
addPage(attributePage);
expressionPage = new ExpressionWizardPage();
expressionPage.setVariables(variables);
Object constant = attributeConfig.getConstant();
String variable = attributeConfig.getVariable();
Expression expression = attributeConfig.getExpression();
if (constant != null) {
if (constant instanceof byte[]) {
expressionPage.setType(ExpressionWizardPage.BINARY);
expressionPage.setBinary((byte[])constant);
} else {
expressionPage.setType(ExpressionWizardPage.TEXT);
expressionPage.setText((String)constant);
}
} else if (variable != null) {
expressionPage.setType(ExpressionWizardPage.VARIABLE);
expressionPage.setVariable(variable);
} else if (expression != null) {
expressionPage.setType(ExpressionWizardPage.EXPRESSION);
expressionPage.setExpression(expression);
} else {
expressionPage.setType(ExpressionWizardPage.TEXT);
}
addPage(expressionPage);
} catch (Exception e) {
log.error(e.getMessage(), e);
throw new RuntimeException(e);
}
}
public boolean canFinish() {
if (!attributePage.isPageComplete()) return false;
return true;
}
public IWizardPage getNextPage(IWizardPage page) {
return super.getNextPage(page);
}
public boolean performFinish() {
try {
attributeConfig.setName(attributePage.getAttributeName());
int type = expressionPage.getType();
Object constant = null;
String variable = null;
Expression expression = null;
if (ExpressionWizardPage.TEXT == type) {
constant = expressionPage.getText();
} else if (ExpressionWizardPage.BINARY == type) {
constant = expressionPage.getBinary();
} else if (ExpressionWizardPage.VARIABLE == type) {
variable = expressionPage.getVariable();
} else if (ExpressionWizardPage.EXPRESSION == type) {
expression = new Expression();
expression.copy(expressionPage.getExpression());
}
attributeConfig.setConstant(constant);
attributeConfig.setVariable(variable);
attributeConfig.setExpression(expression);
return true;
} catch (Exception e) {
log.error(e.getMessage(), e);
ErrorDialog.open(e);
return false;
}
}
public boolean needsPreviousAndNextButtons() {
return true;
}
public EntryAttributeConfig getAttributeConfig() {
return attributeConfig;
}
public void setAttributeConfig(EntryAttributeConfig attributeConfig) {
this.attributeConfig = attributeConfig;
}
public Server getServer() {
return server;
}
public void setServer(Server server) {
this.server = server;
}
public String getPartitionName() {
return partitionName;
}
public void setPartitionName(String partitionName) {
this.partitionName = partitionName;
}
public Collection<EntrySourceConfig> getEntrySourceConfigs() {
return entrySourceConfigs;
}
public void setEntrySourceConfigs(Collection<EntrySourceConfig> entrySourceConfigs) {
if (this.entrySourceConfigs == entrySourceConfigs) return;
this.entrySourceConfigs.clear();
if (entrySourceConfigs == null) return;
this.entrySourceConfigs.addAll(entrySourceConfigs);
}
}