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/*
* 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.
*/
/* $Id: FOValidationEventProducer.java 932510 2010-04-09 17:05:34Z vhennebert $ */
package org.apache.fop.fo;
import org.xml.sax.Locator;
import org.apache.xmlgraphics.util.QName;
import org.apache.fop.apps.FOPException;
import org.apache.fop.events.EventBroadcaster;
import org.apache.fop.events.EventProducer;
import org.apache.fop.fo.expr.PropertyException;
/**
* Event producer interface for XSL-FO validation messages.
*/
public interface FOValidationEventProducer extends EventProducer {
/**
* Provider class for the event producer.
*/
final class Provider {
private Provider() { }
/**
* Returns an event producer.
* @param broadcaster the event broadcaster to use
* @return the event producer
*/
public static FOValidationEventProducer get(EventBroadcaster broadcaster) {
return (FOValidationEventProducer)broadcaster.getEventProducerFor(
FOValidationEventProducer.class);
}
}
/**
* Too many child nodes.
* @param source the event source
* @param elementName the name of the context node
* @param offendingNode the offending node
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void tooManyNodes(Object source, String elementName, QName offendingNode,
Locator loc) throws ValidationException;
/**
* The node order is wrong.
* @param source the event source
* @param elementName the name of the context node
* @param tooLateNode string name of node that should be earlier in document
* @param tooEarlyNode string name of node that should be later in document
* @param canRecover indicates whether FOP can recover from this problem and continue working
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
*/
void nodeOutOfOrder(Object source, String elementName,
String tooLateNode, String tooEarlyNode, boolean canRecover,
Locator loc) throws ValidationException;
/**
* An invalid child was encountered.
* @param source the event source
* @param elementName the name of the context node
* @param offendingNode the offending node
* @param ruleViolated the rule that was violated or null
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
*/
void invalidChild(Object source, String elementName, QName offendingNode, String ruleViolated,
Locator loc) throws ValidationException;
/**
* A required child element is missing.
* @param source the event source
* @param elementName the name of the context node
* @param contentModel the expected content model
* @param canRecover indicates whether FOP can recover from this problem and continue working
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void missingChildElement(Object source, String elementName,
String contentModel, boolean canRecover,
Locator loc) throws ValidationException;
/**
* An element is missing a required property.
* @param source the event source
* @param elementName the name of the context node
* @param propertyName the name of the missing property
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void missingProperty(Object source, String elementName, String propertyName,
Locator loc) throws ValidationException;
/**
* An id was used twice in a document.
* @param source the event source
* @param elementName the name of the context node
* @param id the id that was reused
* @param canRecover indicates whether FOP can recover from this problem and continue working
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void idNotUnique(Object source, String elementName, String id, boolean canRecover,
Locator loc) throws ValidationException;
/**
* There are multiple color profiles defined with the same name.
* @param source the event source
* @param elementName the name of the context node
* @param name the duplicate color profile name
* @param loc the location of the error or null
* @event.severity WARN
*/
void colorProfileNameNotUnique(Object source, String elementName, String name,
Locator loc);
/**
* There are multiple page masters defined with the same name.
* @param source the event source
* @param elementName the name of the context node
* @param name the duplicate page master name
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void masterNameNotUnique(Object source, String elementName, String name,
Locator loc) throws ValidationException;
/**
* An fo:marker appears as initial descendant in an fo:block-container
* that generates absolutely positioned areas
* @param source the event source
* @param loc the location of the error (possibly null)
* @event.severity ERROR
*/
void markerBlockContainerAbsolutePosition(Object source, Locator loc);
/**
* A marker is not an initial child on a node.
* @param source the event source
* @param elementName the name of the context node
* @param mcname the marker class name
* @param loc the location of the error or null
* @event.severity ERROR
*/
void markerNotInitialChild(Object source, String elementName, String mcname, Locator loc);
/**
* A marker class name is not unique within the same parent.
* @param source the event source
* @param elementName the name of the context node
* @param mcname the marker class name
* @param loc the location of the error or null
* @event.severity ERROR
*/
void markerNotUniqueForSameParent(Object source, String elementName,
String mcname, Locator loc);
/**
* An invalid property was found.
* @param source the event source
* @param elementName the name of the context node
* @param attr the invalid attribute
* @param canRecover indicates whether FOP can recover from this problem and continue working
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void invalidProperty(Object source, String elementName, QName attr, boolean canRecover,
Locator loc) throws ValidationException;
/**
* An invalid property value was encountered.
* @param source the event source
* @param elementName the name of the context node
* @param propName the property name
* @param propValue the property value
* @param e the property exception caused by the invalid value
* @param loc the location of the error or null
* @event.severity ERROR
*/
void invalidPropertyValue(Object source, String elementName,
String propName, String propValue, PropertyException e,
Locator loc);
/**
* A feature is not supported, yet.
* @param source the event source
* @param elementName the name of the context node
* @param feature the unsupported feature
* @param loc the location of the error or null
* @event.severity WARN
*/
void unimplementedFeature(Object source, String elementName, String feature,
Locator loc);
/**
* Missing internal-/external-destination on basic-link or bookmark.
* @param source the event source
* @param elementName the name of the context node
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void missingLinkDestination(Object source, String elementName, Locator loc)
throws ValidationException;
/**
* Indicates a problem while cloning a marker (ex. due to invalid property values).
* @param source the event source
* @param markerClassName the "marker-class-name" of the marker
* @param fe the FOP exception that cause this problem
* @param loc the location of the error or null
* @event.severity ERROR
*/
void markerCloningFailed(Object source, String markerClassName, FOPException fe, Locator loc);
/**
* A region name is mapped to multiple region classes.
* @param source the event source
* @param regionName the region name
* @param defaultRegionClass1 the first default region class
* @param defaultRegionClass2 the second default region class
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void regionNameMappedToMultipleRegionClasses(Object source, String regionName,
String defaultRegionClass1, String defaultRegionClass2, Locator loc)
throws ValidationException;
/**
* There are multiple flows with the same name.
* @param source the event source
* @param elementName the name of the context node
* @param flowName the flow name
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void duplicateFlowNameInPageSequence(Object source, String elementName, String flowName,
Locator loc) throws ValidationException;
/**
* A flow name could not be mapped to a region.
* @param source the event source
* @param elementName the name of the context node
* @param flowName the flow name
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void flowNameNotMapped(Object source, String elementName, String flowName,
Locator loc) throws ValidationException;
/**
* A page master could not be found.
* @param source the event source
* @param elementName the name of the context node
* @param masterReference the page master reference
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void masterNotFound(Object source, String elementName, String masterReference,
Locator loc) throws ValidationException;
/**
* An illegal region name was used.
* @param source the event source
* @param elementName the name of the context node
* @param regionName the region name
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void illegalRegionName(Object source, String elementName, String regionName,
Locator loc) throws ValidationException;
/**
* A non-zero border and/or padding has been encountered on a region.
* @param source the event source
* @param elementName the name of the context node
* @param regionName the region name
* @param canRecover indicates whether FOP can recover from this problem and continue working
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void nonZeroBorderPaddingOnRegion(Object source, String elementName, String regionName,
boolean canRecover, Locator loc) throws ValidationException;
/**
* If overflow property is set to "scroll", a column-count other than "1" may not be specified.
* @param source the event source
* @param elementName the name of the context node
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void columnCountErrorOnRegionBodyOverflowScroll(Object source, String elementName,
Locator loc) throws ValidationException;
/**
* fo:root must be root.
* @param source the event source
* @param elementName the name of the context node
* @param loc the location of the error or null
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void invalidFORoot(Object source, String elementName,
Locator loc) throws ValidationException;
/**
* No FO document was found.
* @param source the event source
* @throws ValidationException the validation error provoked by the method call
* @event.severity FATAL
*/
void emptyDocument(Object source) throws ValidationException;
/**
* An unknown/unsupported formatting object has been encountered.
* @param source the event source
* @param elementName the name of the context node
* @param offendingNode the offending node
* @param loc the location of the error or null
* @event.severity WARN
*/
void unknownFormattingObject(Object source, String elementName,
QName offendingNode, Locator loc);
/**
* Alternate text is missing for a graphic element.
*
* @param source the event source
* @param foElement name of the element (external-graphic or instream-foreign-object)
* @param loc the location of the error or null
* @event.severity WARN
*/
void altTextMissing(Object source, String foElement, Locator loc);
}
