org.walkmod.conf.providers.yml.SetReaderYMLAction.java Source code

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Here is the source code for org.walkmod.conf.providers.yml.SetReaderYMLAction.java

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/* 
  Copyright (C) 2013 Raquel Pau and Albert Coroleu.
     
  Walkmod is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
     
  Walkmod is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Lesser General Public License for more details.
     
  You should have received a copy of the GNU Lesser General Public License
  along with Walkmod.  If not, see <http://www.gnu.org/licenses/>.*/
package org.walkmod.conf.providers.yml;

import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.walkmod.conf.ConfigurationProvider;
import org.walkmod.conf.providers.YAMLConfigurationProvider;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.fasterxml.jackson.databind.node.TextNode;

public class SetReaderYMLAction extends AbstractYMLConfigurationAction {

    private String chain;
    private String type;
    private String path;
    private Map<String, String> params;

    public SetReaderYMLAction(String chain, String type, String path, YAMLConfigurationProvider provider,
            boolean recursive, Map<String, String> params) {
        super(provider, recursive);
        this.chain = chain;
        this.type = type;
        this.path = path;
        this.params = params;
    }

    @Override
    public void doAction(JsonNode node) throws Exception {
        if (node.has("chains") && (chain == null || "".equals(chain.trim()))) {
            chain = "default";
        }
        ObjectNode reader = null;
        ObjectMapper mapper = provider.getObjectMapper();
        if (chain != null && !"".equals(chain.trim())) {

            if (node.has("chains")) {
                JsonNode chainsListNode = node.get("chains");
                if (chainsListNode.isArray()) {
                    Iterator<JsonNode> it = chainsListNode.iterator();
                    boolean found = false;
                    while (it.hasNext() && !found) {
                        JsonNode current = it.next();
                        if (current.has("name")) {
                            String name = current.get("name").asText();
                            found = name.equals(chain);
                            if (found) {
                                if (current.has("reader")) {
                                    reader = (ObjectNode) current.get("reader");
                                } else {
                                    reader = new ObjectNode(mapper.getNodeFactory());
                                }
                                if (type != null && !"".equals(type.trim())) {
                                    reader.set("type", new TextNode(type));
                                }
                                if (path != null && !"".equals(path.trim())) {
                                    reader.set("path", new TextNode(path));
                                }
                                if (params != null && !params.isEmpty()) {
                                    ObjectNode paramsObject = null;
                                    if (reader.has("params")) {
                                        paramsObject = (ObjectNode) reader.get("params");
                                    } else {
                                        paramsObject = new ObjectNode(mapper.getNodeFactory());
                                        reader.set("params", paramsObject);
                                    }

                                    Set<String> keys = params.keySet();
                                    for (String key : keys) {
                                        paramsObject.put(key, params.get(key).toString());
                                    }

                                }
                            }
                        }
                    }
                }
            }
            if (reader != null) {
                provider.write(node);
            }
        } else {
            if (!node.has("chains")) {
                ArrayNode chains = new ArrayNode(mapper.getNodeFactory());
                ObjectNode defaultChain = new ObjectNode(mapper.getNodeFactory());
                defaultChain.set("name", new TextNode("default"));
                ObjectNode readerNode = new ObjectNode(mapper.getNodeFactory());

                if (type != null && !"".equals(type.trim())) {
                    readerNode.set("type", new TextNode(type));
                }
                if (path != null && !"".equals(path.trim())) {
                    readerNode.set("path", new TextNode(path));
                }
                if (params != null && !params.isEmpty()) {
                    ObjectNode paramsObject = new ObjectNode(mapper.getNodeFactory());
                    Set<String> keys = params.keySet();
                    for (String key : keys) {
                        paramsObject.put(key, params.get(key).toString());
                    }
                    readerNode.set("params", paramsObject);
                }
                defaultChain.set("reader", readerNode);
                if (node.has("transformations")) {
                    defaultChain.set("transformations", node.get("transformations"));
                }
                chains.add(defaultChain);
                provider.write(chains);
            }

        }

    }

    @Override
    public AbstractYMLConfigurationAction clone(ConfigurationProvider provider, boolean recursive) {
        return new SetReaderYMLAction(chain, type, path, (YAMLConfigurationProvider) provider, recursive, params);
    }

}