org.apache.james.rrt.file.XMLRecipientRewriteTable.java Source code

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Here is the source code for org.apache.james.rrt.file.XMLRecipientRewriteTable.java

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 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
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package org.apache.james.rrt.file;

import java.util.HashMap;
import java.util.Map;

import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.HierarchicalConfiguration;
import org.apache.james.rrt.api.RecipientRewriteTableException;
import org.apache.james.rrt.lib.AbstractRecipientRewriteTable;
import org.apache.james.rrt.lib.Mappings;
import org.apache.james.rrt.lib.MappingsImpl;
import org.apache.james.rrt.lib.RecipientRewriteTableUtil;

import com.google.common.collect.Maps;

/**
 * Class responsible to implement the Virtual User Table in XML disk file.
 */
public class XMLRecipientRewriteTable extends AbstractRecipientRewriteTable {

    /**
     * Holds the configured mappings
     */
    private Map<String, String> mappings;

    @Override
    protected void doConfigure(HierarchicalConfiguration arg0) throws ConfigurationException {
        String[] mapConf = arg0.getStringArray("mapping");
        mappings = Maps.newHashMap();
        if (mapConf != null && mapConf.length > 0) {
            for (String aMapConf : mapConf) {
                mappings.putAll(RecipientRewriteTableUtil.getXMLMappings(aMapConf));
            }
        } else {
            throw new ConfigurationException("No mapping configured");
        }
    }

    @Override
    protected String mapAddressInternal(String user, String domain) throws RecipientRewriteTableException {
        if (mappings == null) {
            return null;
        } else {
            return RecipientRewriteTableUtil.getTargetString(user, domain, mappings);
        }
    }

    @Override
    protected Mappings getUserDomainMappingsInternal(String user, String domain)
            throws RecipientRewriteTableException {
        if (mappings == null) {
            return null;
        } else {
            String maps = mappings.get(user + "@" + domain);
            if (maps != null) {
                return MappingsImpl.fromRawString(maps);
            } else {
                return null;
            }
        }
    }

    @Override
    protected Map<String, Mappings> getAllMappingsInternal() throws RecipientRewriteTableException {
        if (mappings != null && mappings.size() > 0) {
            Map<String, Mappings> mappingsNew = new HashMap<String, Mappings>();
            for (String key : mappings.keySet()) {
                mappingsNew.put(key, MappingsImpl.fromRawString(mappings.get(key)));
            }
            return mappingsNew;
        } else {
            return null;
        }
    }

    @Override
    protected void addMappingInternal(String user, String domain, String mapping)
            throws RecipientRewriteTableException {
        throw new RecipientRewriteTableException("Read-Only implementation");
    }

    @Override
    protected void removeMappingInternal(String user, String domain, String mapping)
            throws RecipientRewriteTableException {
        throw new RecipientRewriteTableException("Read-Only implementation");
    }
}