SearchConfigurationAdapter.java

/*
 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * 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.
 *
 * Contributors:
 *     Thomas Roger
 */

package org.nuxeo.search.ui.localconfiguration;

import static org.nuxeo.search.ui.localconfiguration.Constants.SEARCH_CONFIGURATION_ALLOWED_CONTENT_VIEWS;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import org.nuxeo.ecm.core.api.DocumentModel;
import org.nuxeo.ecm.core.api.DocumentRef;
import org.nuxeo.ecm.core.api.PropertyException;
import org.nuxeo.ecm.core.api.localconfiguration.AbstractLocalConfiguration;

/**
 * Default implementation of {@link SearchConfiguration}
 *
 * @since 6.0
 */
public class SearchConfigurationAdapter extends AbstractLocalConfiguration<SearchConfiguration> implements
        SearchConfiguration {

    protected List<String> allowedContentViews;

    protected DocumentRef docRef;

    protected boolean canMerge = true;

    public SearchConfigurationAdapter(DocumentModel doc) {
        docRef = doc.getRef();
        allowedContentViews = getList(doc, SEARCH_CONFIGURATION_ALLOWED_CONTENT_VIEWS);
    }

    protected List<String> getList(DocumentModel doc, String property) {
        String[] content;
        try {
            content = (String[]) doc.getPropertyValue(property);
        } catch (PropertyException e) {
            return Collections.emptyList();
        }
        if (content != null) {
            return Collections.unmodifiableList(Arrays.asList(content));
        }
        return Collections.emptyList();
    }

    @Override
    public DocumentRef getDocumentRef() {
        return docRef;
    }

    @Override
    public boolean canMerge() {
        return canMerge;
    }

    @Override
    public SearchConfiguration merge(SearchConfiguration other) {
        if (other == null) {
            return this;
        }

        // set the documentRef to the other UITypesConfiguration to continue
        // merging, if needed
        docRef = other.getDocumentRef();
        if (allowedContentViews.isEmpty() && !other.getAllowedContentViewNames().isEmpty()) {
            this.allowedContentViews = Collections.unmodifiableList(other.getAllowedContentViewNames());
            canMerge = false;
        }

        return this;
    }

    @Override
    public List<String> getAllowedContentViewNames() {
        return allowedContentViews;
    }

    protected boolean isAllowedName(String name) {
        return getAllowedContentViewNames().contains(name);
    }

    @Override
    public List<String> filterAllowedContentViewNames(List<String> names) {
        if (allowedContentViews.isEmpty()) {
            return names;
        }

        List<String> filtered = new ArrayList<>();
        for (String name : names) {
            if (isAllowedName(name)) {
                filtered.add(name);
            }
        }
        return filtered;
    }
}