com.google.gxp.compiler.schema.ElementBuilder.java Source code

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Here is the source code for com.google.gxp.compiler.schema.ElementBuilder.java

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/*
 * Copyright (C) 2008 Google 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.google.gxp.compiler.schema;

import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;

import java.io.*;
import java.util.*;

/**
 * Helper class for building {@code ElementValidator}s.
 */
class ElementBuilder {
    private final String name;
    private final Set<ElementValidator.Flag> flags;
    private final String contentType;
    private final Set<DocType> docTypes;
    private final Map<String, AttributeElement> attrs = Maps.newHashMap();

    public String getName() {
        return name;
    }

    ElementBuilder(String name, Set<ElementValidator.Flag> flags, String contentType, Set<DocType> docTypes) {
        this.name = name;
        this.flags = ImmutableSet.copyOf(flags);
        this.contentType = contentType;
        this.docTypes = ImmutableSet.copyOf(docTypes);
    }

    public void add(AttributeElement attribute) {
        if (attrs.get(attribute.getName()) != null) {
            throw new IllegalStateException(
                    "Duplicate attributes called " + attribute.getName() + " in <" + getName() + ">");
        } else {
            attrs.put(attribute.getName(), attribute);
        }
    }

    ElementValidator build() {
        List<AttributeValidator> attrValidators = Lists.newArrayList();
        for (AttributeElement attr : attrs.values()) {
            attrValidators.add(attr.getAttributeValidator());
        }
        return new ElementValidator(name, flags, contentType, docTypes, attrValidators);
    }
}