/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.jackrabbit.value;
import javax.jcr.PropertyType;
import javax.jcr.RepositoryException;
import javax.jcr.ValueFormatException;
import java.util.Calendar;
import java.net.URI;
import java.net.URISyntaxException;
import java.math.BigDecimal;
/**
* A <code>URIValue</code> provides an implementation
* of the <code>Value</code> interface representing a <code>URI</code> value
* (an absolute or relative workspace path).
*/
public class URIValue extends BaseValue {
public static final int TYPE = PropertyType.URI;
private final URI uri;
/**
* Returns a new <code>URIValue</code> initialized to the value
* represented by the specified <code>String</code>.
* <p>
* The specified <code>String</code> must be a valid URI.
*
* @param s the string to be parsed.
* @return a newly constructed <code>URIValue</code> representing the
* the specified value.
* @throws javax.jcr.ValueFormatException If the <code>String</code> is not a valid URI.
*/
public static URIValue valueOf(String s) throws ValueFormatException {
if (s != null) {
try {
return new URIValue(new URI(s));
} catch (URISyntaxException e) {
throw new ValueFormatException(e.getMessage());
}
} else {
throw new ValueFormatException("not a valid uri format: " + s);
}
}
/**
* Returns a new <code>URIValue</code> initialized to the value of the
* specified URI.
*
* @param uri the path this <code>URIValue</code> should represent
* @see #valueOf
*/
public URIValue(URI uri) {
super(TYPE);
this.uri = uri;
}
/**
* Indicates whether some other object is "equal to" this one.
* <p>
* The result is <code>true</code> if and only if the argument is not
* <code>null</code> and is a <code>URIValue</code> object that
* represents the same value as this object.
*
* @param obj the reference object with which to compare.
* @return <code>true</code> if this object is the same as the obj
* argument; <code>false</code> otherwise.
*/
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof URIValue) {
URIValue other = (URIValue) obj;
if (uri == other.uri) {
return true;
} else if (uri != null && other.uri != null) {
return uri.equals(other.uri);
}
}
return false;
}
/**
* Returns zero to satisfy the Object equals/hashCode contract.
* This class is mutable and not meant to be used as a hash key.
*
* @return always zero
* @see Object#hashCode()
*/
public int hashCode() {
return 0;
}
//------------------------------------------------------------< BaseValue >
/**
* {@inheritDoc}
*/
protected String getInternalString() throws ValueFormatException {
if (uri != null) {
return uri.toString();
} else {
throw new ValueFormatException("empty value");
}
}
//----------------------------------------------------------------< Value >
/**
* {@inheritDoc}
*/
public Calendar getDate()
throws ValueFormatException, IllegalStateException,
RepositoryException {
throw new ValueFormatException("conversion to date failed: inconvertible types");
}
/**
* {@inheritDoc}
*/
public long getLong()
throws ValueFormatException, IllegalStateException,
RepositoryException {
throw new ValueFormatException("conversion to long failed: inconvertible types");
}
/**
* {@inheritDoc}
*/
public boolean getBoolean()
throws ValueFormatException, IllegalStateException,
RepositoryException {
throw new ValueFormatException("conversion to boolean failed: inconvertible types");
}
/**
* {@inheritDoc}
*/
public double getDouble()
throws ValueFormatException, IllegalStateException,
RepositoryException {
throw new ValueFormatException("conversion to double failed: inconvertible types");
}
/**
* {@inheritDoc}
*/
public BigDecimal getDecimal()
throws ValueFormatException, IllegalStateException,
RepositoryException {
throw new ValueFormatException("conversion to Decimal failed: inconvertible types");
}
}