org.apache.sling.hapi.sightly.TypeView Maven / Gradle / Ivy

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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
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing,
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 * KIND, either express or implied. See the License for the
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package org.apache.sling.hapi.sightly;

import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.scripting.SlingBindings;
import org.apache.sling.api.scripting.SlingScriptHelper;
import org.apache.sling.hapi.HApiProperty;
import org.apache.sling.hapi.HApiType;
import org.apache.sling.hapi.HApiUtil;
import org.apache.sling.scripting.sightly.pojo.Use;
import org.osgi.annotation.versioning.ProviderType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.script.Bindings;
import java.util.*;

@ProviderType
public class TypeView implements Use {
    private static final Logger LOG = LoggerFactory.getLogger(TypeView.class);

    private HApiUtil hapi;
    private HApiType me;
    private HApiType parent;

    private String description;
    private SlingHttpServletRequest request;
    private SlingScriptHelper sling;
    private Resource resource;
    private ResourceResolver resourceResolver;

    public void init(Bindings bindings) {
        request = (SlingHttpServletRequest) bindings.get(SlingBindings.REQUEST);
        sling =   (SlingScriptHelper) bindings.get(SlingBindings.SLING);
        resource = (Resource)bindings.get(SlingBindings.RESOURCE);
        resourceResolver = request.getResourceResolver();

        try {
            activate();
        } catch (Exception e) {
            LOG.error("Failed to activate Use class", e);
        }
    }

    public void activate() throws Exception {
        hapi = sling.getService(HApiUtil.class);
        me = hapi.fromPath(resourceResolver, resource.getPath());

        if (null == me) {
            return;
        }

        LOG.debug("me: {}  resource: {}", me, resource.getPath());
        description = me.getDescription();
        parent = me.getParent();
    }

    public String getTitle() {
        if (null == me) {
            return "";
        }
        return me.getFqdn();
    }

    public String getDescription() {
        if (null == me) {
            return "";
        }
        return description;
    }

    public String getParentUrl() {
        if (null == me) {
            return "";
        }
        if (null != parent) {
            return parent.getUrl();
        } else {
            return null;
        }
    }

    public String getParentFqdn() {
        if (null == me) {
            return "";
        }
        if (null != parent) {
            return parent.getFqdn();
        } else {
            return null;
        }
    }

    public List getParameters() {
        if (null == me) {
            return Collections.emptyList();
        }
        return me.getParameters();
    }

    public List getProps() {
        if (null == me) {
            return Collections.emptyList();
        }
        List props = new ArrayList(me.getAllProperties().values());
        LOG.debug("props: ", props);
        return props;
    }

    public boolean getHasProps() {
        if (null == me) {
            return false;
        }
        return getProps().size() > 0;
    }
}