/** | |
* Copyright (c) 2008-2009 Andrey Somov | |
* | |
* 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; | |
import java.io.Writer; | |
import java.util.Iterator; | |
import org.yaml.snakeyaml.emitter.Emitter; | |
import org.yaml.snakeyaml.error.YAMLException; | |
import org.yaml.snakeyaml.representer.Representer; | |
import org.yaml.snakeyaml.resolver.Resolver; | |
import org.yaml.snakeyaml.serializer.Serializer; | |
/** | |
* @see <a href="http://pyyaml.org/wiki/PyYAML">PyYAML</a> for more information | |
*/ | |
public class Dumper { | |
private final Representer representer; | |
private final DumperOptions options; | |
private boolean attached = false; | |
public Dumper(Representer representer, DumperOptions options) { | |
this.representer = representer; | |
representer.setDefaultFlowStyle(options.getDefaultFlowStyle()); | |
representer.setDefaultScalarStyle(options.getDefaultScalarStyle()); | |
this.options = options; | |
} | |
public Dumper(DumperOptions options) { | |
this(new Representer(), options); | |
} | |
public void dump(Iterator<? extends Object> iter, Writer output, Resolver resolver) { | |
Serializer s = new Serializer(new Emitter(output, options), resolver, options); | |
try { | |
s.open(); | |
while (iter.hasNext()) { | |
representer.represent(s, iter.next()); | |
} | |
s.close(); | |
} catch (java.io.IOException e) { | |
throw new YAMLException(e); | |
} | |
} | |
/** | |
* Because Dumper is stateful it cannot be shared | |
*/ | |
void setAttached() { | |
if (!attached) { | |
attached = true; | |
} else { | |
throw new YAMLException("Dumper cannot be shared."); | |
} | |
} | |
} |