logger.debug("Starting Job {}. scriptType: {}, script: {}", id, scriptType, script);
            } else if (scheduledJob.isLoggingEnabled() && logger.isInfoEnabled()) {
                logger.info("Starting Job {}.", id);
            }

            final Object ret = jobExecutor.execute(Constants.DEFAULT_SCRIPT, script);
            if (ret == null) {

    protected static final String META_PREFIX = "field.meta.";

    protected static final String VALUE_PREFIX = "field.value.";

    protected static final String SCRIPT_PREFIX = "field.script.";

    protected static final String CLIENT_PREFIX = "client.";

    protected static final String CONFIG_PREFIX = "config.";

    protected static final String FIELD_PREFIX = "field.config.";

        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("target", "target" + id);
        requestBody.put("script_type", "script" + id);
        requestBody.put("sort_order", id);
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        if (StringUtil.isBlank(filename)) {
            throw new JobProcessingException("Python script is not specified.");
        }

        cmdList.add(fessConfig.getPythonCommandPath());

        cmdList.add(getPyFilePath());

        cmdList.addAll(argList);

        try {

            public static final String IGNORE_ROBOTS_TAGS = "ignore.robots.tags";
            public static final String SCRIPT_TYPE = "script.type";
        }

        // meta.*
        // meta.<field>=<value>

        // value.*
        // value.<field>=<value>

        // script.*
        // script.<field>=<value>

        // field.*
        // field.<field>=<value>
    }

                        final Script script = languageHelper.createScript(doc, "ctx._source." + fessConfig.getIndexFieldLabel()
                                + "=new String[]{" + labelSet.stream().map(s -> "\"" + s + "\"").collect(Collectors.joining(",")) + "}");
                        return builder.setScript(script);
                    }
                } catch (final Exception e) {

public class ScriptExecutor extends JobExecutor {

    @Override
    public Object execute(final String scriptType, final String script) {
        final Map<String, Object> params = new HashMap<>();
        params.put("executor", this);

        return ComponentUtil.getScriptEngineFactory().getScriptEngine(scriptType).evaluate(script, params);
    }

        value = null;
        assertEquals("", dataStore.convertValue(Constants.DEFAULT_SCRIPT, value, paramMap));

        value = "";
        assertEquals("", dataStore.convertValue(Constants.DEFAULT_SCRIPT, value, paramMap));

        value = " ";
        assertNull(dataStore.convertValue(Constants.DEFAULT_SCRIPT, value, paramMap));
    }

 * 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.codelibs.fess.script;

import java.util.Map;

public interface ScriptEngine {
    Object evaluate(final String template, final Map<String, Object> paramMap);

 * 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.codelibs.fess.script;

import org.codelibs.fess.util.ComponentUtil;

public abstract class AbstractScriptEngine implements ScriptEngine {

    public void register() {
        ComponentUtil.getScriptEngineFactory().add(getName(), this);