com.cognifide.slice.util.InjectorNameUtil.java Source code

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Here is the source code for com.cognifide.slice.util.InjectorNameUtil.java

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/*-
 * #%L
 * Slice - Core API
 * %%
 * Copyright (C) 2012 Cognifide Limited
 * %%
 * 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.
 * #L%
 */
package com.cognifide.slice.util;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.commons.lang.StringUtils;
import org.apache.sling.api.SlingHttpServletRequest;

import com.cognifide.slice.api.injector.InjectorRunner;
import com.cognifide.slice.api.injector.InjectorsRepository;

/**
 * Util for getting injector name required for given request.
 * 
 * @author rafal.malinowski
 * @author Jan Kuniak
 * @deprecated since 4.1. User {@link InjectorsRepository} instead
 */
@Deprecated
public final class InjectorNameUtil {

    private static final Pattern RESOURCE_TYPE_PATTERN = Pattern.compile("(/[^/]+/)?([^/]+)(/.*)?");

    private InjectorNameUtil() {
        // hiding util class constructor
    }

    /**
     * Gets injector name for resource from specified request . It is name of path item directly after apps.
     * For /apps/slice/... it will return slice.
     * 
     * @deprecated use {@link InjectorsRepository#getInjectorNameForResource(String)} instead
     */
    @Deprecated
    public static String getFromRequest(final SlingHttpServletRequest request) {
        if (null != request.getResource()) {
            return getFromResourceType(request.getResource().getResourceType());
        }
        return StringUtils.EMPTY;
    }

    /**
     * This util provides injector name for a given resource. The name is read from second part of the
     * resource type, i.e. part after /apps/. For instance, for /apps/myapp/someresource, it will return
     * <code>myapp</code> <br>
     * <br>
     * Please note that this method is deprecated and it doesn't support injectors registered for a given path
     * (with use of {@link InjectorRunner#setInjectorPath(String)})
     * 
     * @deprecated use {@link InjectorsRepository#getInjectorNameForResource(String)} instead
     * 
     * @param resourceType resource type to take the injector name from
     * @return injector name, always second part of the resource type
     */
    @Deprecated
    public static String getFromResourceType(String resourceType) {
        String injectorName = null;
        if (StringUtils.isNotEmpty(resourceType)) {
            Pattern pattern = RESOURCE_TYPE_PATTERN;
            Matcher matcher = pattern.matcher(resourceType);
            if (matcher.matches()) {
                injectorName = matcher.group(2);
            }
        }
        return injectorName;
    }
}