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A Java library for reading and writing iCalendar (*.ics) files
/**
* Copyright (c) 2012, Ben Fortuna
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* o Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* o Neither the name of Ben Fortuna nor the names of any other contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package net.fortuna.ical4j.model.property;
import net.fortuna.ical4j.model.Content;
import net.fortuna.ical4j.model.Escapable;
import net.fortuna.ical4j.model.Parameter;
import net.fortuna.ical4j.model.ParameterList;
import net.fortuna.ical4j.model.Property;
import net.fortuna.ical4j.model.PropertyFactory;
import net.fortuna.ical4j.model.parameter.Encoding;
import net.fortuna.ical4j.model.parameter.Value;
import net.fortuna.ical4j.util.DecoderFactory;
import net.fortuna.ical4j.util.Uris;
import net.fortuna.ical4j.validate.PropertyValidator;
import net.fortuna.ical4j.validate.ValidationException;
import net.fortuna.ical4j.validate.ValidationRule;
import net.fortuna.ical4j.validate.Validator;
import org.apache.commons.codec.BinaryDecoder;
import org.apache.commons.codec.DecoderException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URISyntaxException;
import java.text.ParseException;
import java.util.Arrays;
import static net.fortuna.ical4j.model.Parameter.FMTTYPE;
import static net.fortuna.ical4j.model.Parameter.SCHEMA;
import static net.fortuna.ical4j.validate.ValidationRule.ValidationType.OneOrLess;
/**
* $Id$
*
* Created: [May 1 2017]
*
* Defines a STRUCTURED-LOCATION iCalendar component property.
*
* @author Mike Douglass
*/
public class StructuredData extends Property implements Escapable {
private static final long serialVersionUID = 7287564228220558361L;
private String value;
private URI uri;
private byte[] binary;
private final Validator validator = new PropertyValidator(
Arrays.asList(
new ValidationRule(OneOrLess, FMTTYPE, SCHEMA)));
/**
* Default constructor.
*/
public StructuredData() {
super(STRUCTURED_DATA, new ParameterList(),
new Factory());
}
/**
* @param aValue a value string for this component
*/
public StructuredData(final String aValue) throws URISyntaxException {
super(STRUCTURED_DATA, new ParameterList(),
new Factory());
setValue(aValue);
}
/**
* @param aList a list of parameters for this component
* @param aValue a value string for this component
*/
public StructuredData(final ParameterList aList, final String aValue) throws URISyntaxException {
super(STRUCTURED_DATA, aList,
new Factory());
setValue(aValue);
}
/**
* {@inheritDoc}
*/
public final void setValue(final String aValue) throws URISyntaxException {
// value can be either binary or a URI or default to text
if (getParameter(Parameter.ENCODING) != null) {
// binary = Base64.decode(aValue);
try {
final BinaryDecoder decoder = DecoderFactory.getInstance()
.createBinaryDecoder(
(Encoding) getParameter(Parameter.ENCODING));
binary = decoder.decode(aValue.getBytes());
} catch (UnsupportedEncodingException uee) {
Logger log = LoggerFactory.getLogger(Attach.class);
log.error("Error encoding binary data", uee);
} catch (DecoderException de) {
Logger log = LoggerFactory.getLogger(Attach.class);
log.error("Error decoding binary data", de);
}
} else if (Value.URI.equals(getParameter(Parameter.VALUE))) {
uri = Uris.create(aValue);
value = aValue;
// assume text..
} else {
value = aValue;
}
}
/**
* {@inheritDoc}
*/
public final String getValue() {
return value;
}
@Override
public void validate() throws ValidationException {
validator.validate(this);
}
public static class Factory extends Content.Factory implements PropertyFactory {
private static final long serialVersionUID = 1L;
public Factory() {
super(STRUCTURED_DATA);
}
public StructuredData createProperty(final ParameterList parameters, final String value)
throws IOException, URISyntaxException, ParseException {
return new StructuredData(parameters, value);
}
public StructuredData createProperty() {
return new StructuredData();
}
}
}