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Document.java
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Document.java
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/*
* Copyright (C) 2012 Facebook, Inc.
*
* 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.facebook.swift.parser.model;
import com.facebook.swift.parser.visitor.DocumentVisitor;
import com.google.common.base.Objects;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import static com.google.common.base.Preconditions.checkNotNull;
import static java.util.Collections.emptyList;
public class Document
{
private final Header header;
private final List<Definition> definitions;
public Document(Header header, List<Definition> definitions)
{
this.header = checkNotNull(header, "header");
this.definitions = ImmutableList.copyOf(checkNotNull(definitions, "definitions"));
}
public Header getHeader()
{
return header;
}
public List<Definition> getDefinitions()
{
return definitions;
}
public void visit(final DocumentVisitor visitor) throws IOException
{
Preconditions.checkNotNull(visitor, "the visitor must not be null!");
for (Definition definition : definitions) {
if (visitor.accept(definition)) {
definition.visit(visitor);
}
}
}
@Override
public String toString()
{
return Objects.toStringHelper(this)
.add("header", header)
.add("definitions", definitions)
.toString();
}
public static Document emptyDocument()
{
List<String> includes = emptyList();
List<String> cppIncludes = emptyList();
String defaultNamespace = null;
Map<String, String> namespaces = Collections.emptyMap();
Header header = new Header(includes, cppIncludes, defaultNamespace, namespaces);
List<Definition> definitions = emptyList();
return new Document(header, definitions);
}
}