/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2008-2009 Sun Microsystems, Inc.
*/
package org.opends.server.admin;
import org.opends.messages.Message;
import org.opends.messages.MessageBuilder;
import java.text.NumberFormat;
import java.util.EnumSet;
import java.util.Set;
import java.util.TreeSet;
/**
* A property definition visitor which can be used to generate syntax
* usage information.
*/
public final class PropertyDefinitionUsageBuilder {
/**
* Underlying implementation.
*/
private class MyPropertyDefinitionVisitor extends
PropertyDefinitionVisitor<Message, Void> {
// Flag indicating whether detailed syntax information will be
// generated.
private final boolean isDetailed;
// The formatter to use for numeric values.
private final NumberFormat numberFormat;
// Private constructor.
private MyPropertyDefinitionVisitor(boolean isDetailed) {
this.isDetailed = isDetailed;
this.numberFormat = NumberFormat.getNumberInstance();
this.numberFormat.setGroupingUsed(true);
this.numberFormat.setMaximumFractionDigits(2);
}
/**
* {@inheritDoc}
*/
@Override
public <C extends ConfigurationClient, S extends Configuration>
Message visitAggregation(AggregationPropertyDefinition<C, S> d, Void p) {
return Message.raw("NAME");
}
/**
* {@inheritDoc}
*/
@Override
public Message visitAttributeType(AttributeTypePropertyDefinition d,
Void p) {
return Message.raw("OID");
}
/**
* {@inheritDoc}
*/
@Override
public Message visitACI(ACIPropertyDefinition d,
Void p) {
return Message.raw("ACI");
}
/**
* {@inheritDoc}
*/
@Override
public Message visitBoolean(BooleanPropertyDefinition d, Void p) {
if (isDetailed) {
return Message.raw("false | true");
} else {
return Message.raw("BOOLEAN");
}
}
/**
* {@inheritDoc}
*/
@Override
public Message visitClass(ClassPropertyDefinition d, Void p) {
if (isDetailed && !d.getInstanceOfInterface().isEmpty()) {
return Message.raw("CLASS <= " + d.getInstanceOfInterface().get(0));
} else {
return Message.raw("CLASS");
}
}
/**
* {@inheritDoc}
*/
@Override
public Message visitDN(DNPropertyDefinition d, Void p) {
if (isDetailed && d.getBaseDN() != null) {
return Message.raw("DN <= " + d.getBaseDN());
} else {
return Message.raw("DN");
}
}
/**
* {@inheritDoc}
*/
@Override
public Message visitDuration(DurationPropertyDefinition d, Void p) {
MessageBuilder builder = new MessageBuilder();
DurationUnit unit = d.getBaseUnit();
if (isDetailed && d.getLowerLimit() > 0) {
builder.append(DurationUnit.toString(d.getLowerLimit()));
builder.append(" <= ");
}
builder.append("DURATION (");
builder.append(unit.getShortName());
builder.append(")");
if (isDetailed) {
if (d.getUpperLimit() != null) {
builder.append(" <= ");
builder.append(DurationUnit.toString(d.getUpperLimit()));
}
if (d.isAllowUnlimited()) {
builder.append(" | unlimited");
}
}
return builder.toMessage();
}
/**
* {@inheritDoc}
*/
@Override
public <E extends Enum<E>> Message visitEnum(EnumPropertyDefinition<E> d,
Void p) {
if (!isDetailed) {
// Use the last word in the property name.
String name = d.getName();
int i = name.lastIndexOf('-');
if (i == -1 || i == (name.length() - 1)) {
return Message.raw(name.toUpperCase());
} else {
return Message.raw(name.substring(i + 1).toUpperCase());
}
} else {
Set<String> values = new TreeSet<String>();
for (Object value : EnumSet.allOf(d.getEnumClass())) {
values.add(value.toString().trim().toLowerCase());
}
boolean isFirst = true;
MessageBuilder builder = new MessageBuilder();
for (String s : values) {
if (!isFirst) {
builder.append(" | ");
}
builder.append(s);
isFirst = false;
}
return builder.toMessage();
}
}
/**
* {@inheritDoc}
*/
@Override
public Message visitInteger(IntegerPropertyDefinition d, Void p) {
MessageBuilder builder = new MessageBuilder();
if (isDetailed) {
builder.append(String.valueOf(d.getLowerLimit()));
builder.append(" <= ");
}
builder.append("INTEGER");
if (isDetailed) {
if (d.getUpperLimit() != null) {
builder.append(" <= ");
builder.append(String.valueOf(d.getUpperLimit()));
} else if (d.isAllowUnlimited()) {
builder.append(" | unlimited");
}
}
return builder.toMessage();
}
/**
* {@inheritDoc}
*/
@Override
public Message visitIPAddress(IPAddressPropertyDefinition d, Void p) {
return Message.raw("HOST_NAME");
}
/**
* {@inheritDoc}
*/
@Override
public Message visitIPAddressMask(IPAddressMaskPropertyDefinition d,
Void p) {
return Message.raw("IP_ADDRESS_MASK");
}
/**
* {@inheritDoc}
*/
@Override
public Message visitSize(SizePropertyDefinition d, Void p) {
MessageBuilder builder = new MessageBuilder();
if (isDetailed && d.getLowerLimit() > 0) {
SizeUnit unit = SizeUnit.getBestFitUnitExact(d.getLowerLimit());
builder.append(numberFormat.format(unit.fromBytes(d.getLowerLimit())));
builder.append(' ');
builder.append(unit.getShortName());
builder.append(" <= ");
}
builder.append("SIZE");
if (isDetailed) {
if (d.getUpperLimit() != null) {
long upperLimit = d.getUpperLimit();
SizeUnit unit = SizeUnit.getBestFitUnitExact(upperLimit);
// Quite often an upper limit is some power of 2 minus 1. In those
// cases lets use a "less than" relation rather than a "less than
// or equal to" relation. This will result in a much more readable
// quantity.
if (unit == SizeUnit.BYTES && upperLimit < Long.MAX_VALUE) {
unit = SizeUnit.getBestFitUnitExact(upperLimit + 1);
if (unit != SizeUnit.BYTES) {
upperLimit += 1;
builder.append(" < ");
} else {
builder.append(" <= ");
}
} else {
builder.append(" <= ");
}
builder.append(numberFormat.format(unit.fromBytes(upperLimit)));
builder.append(' ');
builder.append(unit.getShortName());
}
if (d.isAllowUnlimited()) {
builder.append(" | unlimited");
}
}
return builder.toMessage();
}
/**
* {@inheritDoc}
*/
@Override
public Message visitString(StringPropertyDefinition d, Void p) {
if (d.getPattern() != null) {
if (isDetailed) {
MessageBuilder builder = new MessageBuilder();
builder.append(d.getPatternUsage());
builder.append(" - ");
builder.append(d.getPatternSynopsis());
return builder.toMessage();
} else {
return Message.raw(d.getPatternUsage());
}
} else {
return Message.raw("STRING");
}
}
/**
* {@inheritDoc}
*/
@Override
public <T> Message visitUnknown(PropertyDefinition<T> d, Void p)
throws UnknownPropertyDefinitionException {
return Message.raw("?");
}
}
// Underlying implementation.
private final MyPropertyDefinitionVisitor pimpl;
/**
* Creates a new property usage builder.
*
* @param isDetailed
* Indicates whether or not the generated usage should
* contain detailed information such as constraints.
*/
public PropertyDefinitionUsageBuilder(boolean isDetailed) {
this.pimpl = new MyPropertyDefinitionVisitor(isDetailed);
}
/**
* Generates the usage information for the provided property
* definition.
*
* @param pd
* The property definitions.
* @return Returns the usage information for the provided property
* definition.
*/
public Message getUsage(PropertyDefinition<?> pd) {
return pd.accept(pimpl, null);
};
}