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PrismParserImpl.java
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PrismParserImpl.java
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/*
* Copyright (c) 2010-2016 Evolveum
*
* 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 com.evolveum.midpoint.prism;
import com.evolveum.midpoint.prism.lex.LexicalProcessor;
import com.evolveum.midpoint.prism.lex.LexicalHelpers;
import com.evolveum.midpoint.prism.xnode.XNode;
import com.evolveum.midpoint.util.exception.SchemaException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.xml.bind.JAXBElement;
import javax.xml.namespace.QName;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* @author mederly
*/
public abstract class PrismParserImpl implements PrismParser {
@NotNull private final ParserSource source;
private final String language;
@NotNull private final ParsingContext context;
@NotNull private final LexicalHelpers helpers;
public PrismParserImpl(@NotNull ParserSource source, String language, @NotNull ParsingContext context, @NotNull LexicalHelpers helpers) {
this.source = source;
this.language = language;
this.context = context;
this.helpers = helpers;
}
private PrismParser create(ParserSource source, @Nullable String language, @NotNull ParsingContext context, LexicalHelpers helpers) {
return source.isIO() ?
new PrismParserImplIO(source, language, context, helpers) :
new PrismParserImplNoIO(source, language, context, helpers);
}
@Override
public PrismParser language(@Nullable String language) {
return create(this.source, language, this.context, this.helpers);
}
@Override
public PrismParser xml() {
return language(PrismContext.LANG_XML);
}
@Override
public PrismParser json() {
return language(PrismContext.LANG_JSON);
}
@Override
public PrismParser yaml() {
return language(PrismContext.LANG_YAML);
}
@Override
public PrismParser context(@NotNull ParsingContext context) {
return create(this.source, this.language, context, this.helpers);
}
@Override
public PrismParser strict() {
return create(this.source, this.language, context.clone().strict(), this.helpers);
}
@Override
public PrismParser compat() {
return create(this.source, this.language, context.clone().compat(), this.helpers);
}
protected <O extends Objectable> PrismObject<O> doParse() throws SchemaException, IOException {
LexicalProcessor lexicalProcessor = getParser();
XNode xnode = lexicalProcessor.read(source, context);
return helpers.xnodeProcessor.parseObject(xnode, context);
}
private LexicalProcessor getParser() throws IOException {
LexicalProcessor lexicalProcessor;
if (language != null) {
lexicalProcessor = helpers.lexicalProcessorRegistry.parserFor(language);
} else {
lexicalProcessor = helpers.lexicalProcessorRegistry.findParser(source);
}
return lexicalProcessor;
}
protected List<PrismObject<? extends Objectable>> doParseObjects() throws IOException, SchemaException {
LexicalProcessor lexicalProcessor = getParser();
Collection<XNode> xnodes = lexicalProcessor.readCollection(source, context);
List<PrismObject<? extends Objectable>> objects = new ArrayList<>();
for (XNode xnode : xnodes) {
PrismObject<? extends Objectable> object = helpers.xnodeProcessor.parseObject(xnode, context);
objects.add(object);
}
return objects;
}
protected <C extends Containerable> PrismContainer<C> doParseContainer(Class<C> clazz) throws SchemaException, IOException {
LexicalProcessor lexicalProcessor = getParser();
XNode xnode = lexicalProcessor.read(source, context);
return helpers.xnodeProcessor.parseContainer(xnode, clazz, context);
}
protected <C extends Containerable> PrismContainer<C> doParseContainer(PrismContainerDefinition<C> definition) throws SchemaException, IOException {
LexicalProcessor lexicalProcessor = getParser();
XNode xnode = lexicalProcessor.read(source, context);
return helpers.xnodeProcessor.parseContainer(xnode, definition, context);
}
protected <T> T doParseAtomicValue(QName typeName) throws IOException, SchemaException {
LexicalProcessor lexicalProcessor = getParser();
XNode xnode = lexicalProcessor.read(source, context);
return helpers.xnodeProcessor.parseAtomicValue(xnode, typeName, context);
}
protected Object doParseAnyData() throws IOException, SchemaException {
LexicalProcessor lexicalProcessor = getParser();
XNode xnode = lexicalProcessor.read(source, context);
return helpers.xnodeProcessor.parseAnyData(xnode, context);
}
protected <T> T doParseAnyValue() throws IOException, SchemaException {
LexicalProcessor lexicalProcessor = getParser();
XNode xnode = lexicalProcessor.read(source, context);
return helpers.xnodeProcessor.parseAnyValue(xnode, context);
}
protected <T> JAXBElement<T> doParseAnyValueAsJAXBElement() throws IOException, SchemaException {
LexicalProcessor lexicalProcessor = getParser();
XNode xnode = lexicalProcessor.read(source, context);
return helpers.xnodeProcessor.parseAnyValueAsJAXBElement(xnode, context);
}
protected XNode doParseToXNode() throws IOException, SchemaException {
return getParser().read(source, context);
}
}