com.google.template.soy.data.internal.BasicParamStore.java Source code

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Here is the source code for com.google.template.soy.data.internal.BasicParamStore.java

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/*
 * Copyright 2013 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.template.soy.data.internal;

import com.google.common.base.Preconditions;
import com.google.common.collect.Maps;
import com.google.template.soy.data.SoyValueProvider;

import java.util.Map;

import javax.annotation.Nonnull;

/**
 * Basic implementation of ParamStore.
 *
 * <p> Important: Do not use outside of Soy code (treat as superpackage-private).
 *
 */
public class BasicParamStore extends ParamStore {

    /** The internal map holding the fields (params). */
    private final Map<String, SoyValueProvider> localStore;

    public BasicParamStore(int size) {
        this.localStore = Maps.newHashMapWithExpectedSize(size);
    }

    @Override
    public BasicParamStore setField(String name, @Nonnull SoyValueProvider valueProvider) {
        Preconditions.checkNotNull(valueProvider);
        localStore.put(name, valueProvider);
        return this;
    }

    @Override
    public boolean hasField(String name) {
        return localStore.containsKey(name);
    }

    @Override
    public SoyValueProvider getFieldProvider(String name) {
        return localStore.get(name);
    }

}