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/*******************************************************************************
* Copyright (c) 2010 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.jpa.core.internal.jpa1.context;
import java.util.List;
import org.eclipse.jpt.jpa.core.context.NamedColumn;
import org.eclipse.jpt.jpa.core.context.PersistentAttribute;
import org.eclipse.jpt.jpa.core.internal.context.JptValidator;
import org.eclipse.jpt.jpa.core.internal.context.NamedColumnTextRangeResolver;
import org.eclipse.jpt.jpa.core.internal.jpa1.context.BaseColumnTableValidator.NullTableDescriptionProvider;
import org.eclipse.jpt.jpa.core.internal.jpa1.context.BaseColumnTableValidator.TableDescriptionProvider;
import org.eclipse.jpt.jpa.core.internal.validation.DefaultJpaValidationMessages;
import org.eclipse.jpt.jpa.db.Table;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public abstract class AbstractNamedColumnValidator<C extends NamedColumn, R extends NamedColumnTextRangeResolver>
implements JptValidator
{
protected final PersistentAttribute persistentAttribute;
protected final C column;
protected final R textRangeResolver;
protected final TableValidator tableValidator;
protected final TableDescriptionProvider tableDescriptionProvider;
protected AbstractNamedColumnValidator(
C column,
R textRangeResolver) {
this(null, column, textRangeResolver);
}
protected AbstractNamedColumnValidator(
C column,
R textRangeResolver,
TableDescriptionProvider provider) {
this(null, column, textRangeResolver, provider);
}
protected AbstractNamedColumnValidator(
PersistentAttribute persistentAttribute,
C column,
R textRangeResolver) {
this(persistentAttribute, column, textRangeResolver, new NullTableDescriptionProvider());
}
protected AbstractNamedColumnValidator(
PersistentAttribute persistentAttribute,
C column,
R textRangeResolver,
TableDescriptionProvider provider) {
this.persistentAttribute = persistentAttribute;
this.column = column;
this.textRangeResolver = textRangeResolver;
this.tableDescriptionProvider = provider;
this.tableValidator = this.buildTableValidator();
}
protected TableValidator buildTableValidator() {
return new NullTableValidator();
}
protected boolean isPersistentAttributeVirtual() {
return (this.persistentAttribute != null) && this.persistentAttribute.isVirtual();
}
protected String getPersistentAttributeName() {
return this.persistentAttribute.getName();
}
public boolean validate(List<IMessage> messages, IReporter reporter) {
if (this.tableValidator.tableNameIsInvalid()) {
return this.tableValidator.validate(messages, reporter);
}
this.validateName(messages);
return true;
}
protected void validateName(List<IMessage> messages) {
Table dbTable = this.column.getDbTable();
if ((dbTable != null) && ! this.column.isResolved()) {
messages.add(this.buildUnresolvedNameMessage());
}
}
protected IMessage buildUnresolvedNameMessage() {
return this.isPersistentAttributeVirtual() ?
this.buildVirtualAttributeUnresolvedNameMessage() :
this.buildUnresolvedNameMessage(this.getUnresolvedNameMessage());
}
protected IMessage buildUnresolvedNameMessage(String message) {
return DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
message,
new String[] {
this.column.getName(),
this.column.getDbTable().getName()
},
this.column,
this.textRangeResolver.getNameTextRange()
);
}
protected abstract String getUnresolvedNameMessage();
protected IMessage buildVirtualAttributeUnresolvedNameMessage() {
return DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
this.getVirtualAttributeUnresolvedNameMessage(),
new String[] {
this.getPersistentAttributeName(),
this.column.getName(),
this.column.getDbTable().getName()
},
this.column,
this.textRangeResolver.getNameTextRange()
);
}
protected abstract String getVirtualAttributeUnresolvedNameMessage();
// ********** table validator **********
public interface TableValidator
extends JptValidator
{
boolean tableNameIsInvalid();
}
public static class NullTableValidator
implements TableValidator
{
public boolean validate(List<IMessage> messages, IReporter reporter) {
return true;
}
public boolean tableNameIsInvalid() {
return false;
}
}
}
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