utils/yangutils/src/main/java/org/onosproject/yangutils/translator/CachedFileHandle.java

/*
 * Copyright 2016 Open Networking Laboratory
 *
 * 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.onosproject.yangutils.translator;

import java.io.FileNotFoundException;
import java.io.IOException;

import org.onosproject.yangutils.datamodel.YangType;
import org.onosproject.yangutils.translator.tojava.utils.TempDataStoreTypes;

/**
 * Cached java file handle, which supports the addition of member attributes and
 * methods.
 */
public interface CachedFileHandle {

    /**
     * Add a new attribute to the file(s).
     *
     * @param attrType data type of the added attribute
     * @param name name of the attribute
     * @param isListAttr if the current added attribute needs to be maintained
     *            in a list
     */
    void addAttributeInfo(YangType<?> attrType, String name, boolean isListAttr);

    /**
     * Flushes the cached contents to the target file, frees used resources.
     *
     * @throws IOException when failes to generated java files
     */
    void close() throws IOException;

    /**
     * Sets directory package path for code generation.
     *
     * @param filePath directory package path for code generation
     */
    void setRelativeFilePath(String filePath);

    /**
     * Gets directory package path for code generation.
     *
     * @return directory package path for code generation
     */
    String getRelativeFilePath();

    /**
     * Gets base directory package path for code generation.
     *
     * @return directory package path for code generation
     */
    String getCodeGenFilePath();

    /**
     * Sets base directory package path for code generation.
     *
     * @param path base directory path
     */
    void setCodeGenFilePath(String path);

    /**
     * Writes specific info to a Temp file.
     *
     * @param data data to be stored
     * @param type type of Temp data store
     * @param className class name
     * @param genDir generated directory
     * @throws IOException when fails to create a Temp data file
     */
    void setTempData(String data, TempDataStoreTypes type, String className, String genDir) throws IOException;

    /**
     * Get the Temp data.
     *
     * @param type type of Temp data store
     * @param className name of the class
     * @param genDir generated directory
     * @return temp data
     * @throws IOException when fails to read from the file
     * @throws ClassNotFoundException when class is missing
     * @throws FileNotFoundException when file is missing
     */
    String getTempData(TempDataStoreTypes type, String className, String genDir)
            throws IOException, FileNotFoundException, ClassNotFoundException;
}