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package com.sun.enterprise.admin.servermgmt.stringsubs;

import java.io.File;
import java.util.List;

import com.sun.enterprise.admin.servermgmt.xml.stringsubs.Archive;
import com.sun.enterprise.admin.servermgmt.xml.stringsubs.Component;
import com.sun.enterprise.admin.servermgmt.xml.stringsubs.FileEntry;
import com.sun.enterprise.admin.servermgmt.xml.stringsubs.Group;
import com.sun.enterprise.admin.servermgmt.xml.stringsubs.Property;
import com.sun.enterprise.admin.servermgmt.xml.stringsubs.PropertyType;
import com.sun.enterprise.admin.servermgmt.xml.stringsubs.StringsubsDefinition;

/**
 * An object which allows to set the custom behavior for string substitution
 * operation and facilitate String substitution process.
 * String substitution is a process of substituting a string in a
 * file with another string.
 */
public interface StringSubstitutor
{
    /**
     * Set's the {@link AttributePreprocessor} to customize the substitution
     * process. Attribute preprocessor takes care to retrieve the value of
     * substitutable key.
     * 
     * @param attributePreprocessor Custom implementation of {@link AttributePreprocessor}
     */
    void setAttributePreprocessor(AttributePreprocessor attributePreprocessor);

    /**
     * Set's a factory which can process a {@link FileEntry} or an {@link Archive} entry 
     * to retrieve all the {@link Substitutable} entries.
     * @param factory
     */
    void setEntryFactory(SubstitutableFactory factory);

    /**
     * TODO: Missing Implementation 
     * @param backupLocation
     */
    void setFileBackupLocation(File backupLocation);

    /**
     * Get's the default {@link Property} for the given {@link PropertyType}, If
     * the property type is null then all the default properties will be returned. 
     * 
     * @param type The type for which default properties has to be retrieved. 
     * @return List of default properties or empty list if no property found.
     */
    List getDefaultProperties(PropertyType type);

    /**
     * Get's the string-subs definition object. A {@link StringSubsDefiniton} object
     * contains the details of component, groups and files used in substitution.
     *
     * NOTE: This object is updatable. 
     * @return Parsed string-subs configuration object.
     */
    StringsubsDefinition getStringSubsDefinition();

    /**
     * Perform's string substitution.
     *
     * @throws StringSubstitutionException If any error occurs in string substitution.
     */
    void substituteAll() throws StringSubstitutionException;

    /**
     * Perform's string substitution for give components.
     *
     * @param component List of {@link Component} identifiers for which the string
     *  substitution has to be performed.
     * @throws StringSubstitutionException If any error occurs during
     *  substitution.
     */
    void substituteComponents(List components) throws StringSubstitutionException;

    /**
     * Perform's string substitution for give groups.
     *
     * @param groups List of {@link Group} identifiers for which the string
     *  substitution has to be performed.
     * @throws StringSubstitutionException If any error occurs during
     *  substitution.
     */
    void substituteGroups(List groups) throws StringSubstitutionException;
}