org.yaml.snakeyaml.events.CollectionStartEvent Maven / Gradle / Ivy
/**
* Copyright (c) 2008, http://www.snakeyaml.org
*
* Licensed 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.yaml.snakeyaml.events;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.error.Mark;
/**
* Base class for the start events of the collection nodes.
*/
public abstract class CollectionStartEvent extends NodeEvent {
private final String tag;
// The implicit flag of a collection start event indicates if the tag may be
// omitted when the collection is emitted
private final boolean implicit;
// flag indicates if a collection is block or flow
private final DumperOptions.FlowStyle flowStyle;
public CollectionStartEvent(String anchor, String tag, boolean implicit, Mark startMark,
Mark endMark, DumperOptions.FlowStyle flowStyle) {
super(anchor, startMark, endMark);
this.tag = tag;
this.implicit = implicit;
if(flowStyle == null) throw new NullPointerException("Flow style must be provided.");
this.flowStyle = flowStyle;
}
/*
* Existed in older versions but replaced with {@link DumperOptions.FlowStyle}-based constructor.
* Restored in v1.22 for backwards compatibility.
* @deprecated Since restored in v1.22. Use {@link CollectionStartEvent#CollectionStartEvent(String, String, boolean, Mark, Mark, org.yaml.snakeyaml.DumperOptions.FlowStyle) }.
*/
@Deprecated
public CollectionStartEvent(String anchor, String tag, boolean implicit, Mark startMark,
Mark endMark, Boolean flowStyle) {
this(anchor, tag, implicit, startMark, endMark, DumperOptions.FlowStyle.fromBoolean(flowStyle));
}
/**
* Tag of this collection.
*
* @return The tag of this collection, or null
if no explicit
* tag is available.
*/
public String getTag() {
return this.tag;
}
/**
* true
if the tag can be omitted while this collection is
* emitted.
*
* @return True if the tag can be omitted while this collection is emitted.
*/
public boolean getImplicit() {
return this.implicit;
}
/**
* true
if this collection is in flow style, false
* for block style.
*
* @return If this collection is in flow style.
*/
public DumperOptions.FlowStyle getFlowStyle() {
return this.flowStyle;
}
@Override
protected String getArguments() {
return super.getArguments() + ", tag=" + tag + ", implicit=" + implicit;
}
public boolean isFlow() {
return DumperOptions.FlowStyle.FLOW == flowStyle;
}
}