SubjectRolesServiceImpl.java

package com.plexobject.rbac.service.impl;

import java.util.ArrayList;
import java.util.Collection;

import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.FormParam;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import org.apache.commons.validator.GenericValidator;
import org.apache.log4j.Logger;
import org.codehaus.jettison.json.JSONArray;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

import com.plexobject.rbac.ServiceFactory;
import com.plexobject.rbac.domain.Role;
import com.plexobject.rbac.http.RestClient;
import com.plexobject.rbac.jmx.JMXRegistrar;
import com.plexobject.rbac.jmx.impl.ServiceJMXBeanImpl;
import com.plexobject.rbac.repository.RepositoryFactory;
import com.plexobject.rbac.service.SubjectRolesService;
import com.plexobject.rbac.utils.IDUtils;
import com.sun.jersey.spi.inject.Inject;

@Path("/security/subject_roles")
@Component("subjectRolesService")
@Scope("singleton")
public class SubjectRolesServiceImpl implements SubjectRolesService,
        InitializingBean {
    private static final Logger LOGGER = Logger
            .getLogger(RolePermissionsServiceImpl.class);
    @Autowired
    @Inject
    RepositoryFactory repositoryFactory = ServiceFactory.getDefaultFactory();

    private final ServiceJMXBeanImpl mbean;

    public SubjectRolesServiceImpl() {
        mbean = JMXRegistrar.getInstance().register(getClass());

    }

    @PUT
    @Produces(MediaType.APPLICATION_JSON)
    @Consumes( { MediaType.WILDCARD })
    @Path("/{domain}/{subject}")
    @Override
    public Response addRolesToSubject(@PathParam("domain") String domain,
            @PathParam("subject") String subject,
            @FormParam("rolenames") String rolenamesJSON) {
        if (GenericValidator.isBlankOrNull(domain)) {
            return Response.status(RestClient.CLIENT_ERROR_BAD_REQUEST).type(
                    "text/plain").entity("domain not specified").build();
        }
        if (GenericValidator.isBlankOrNull(subject)) {
            return Response.status(RestClient.CLIENT_ERROR_BAD_REQUEST).type(
                    "text/plain").entity("subject not specified").build();
        }

        if (GenericValidator.isBlankOrNull(rolenamesJSON)) {
            return Response.status(RestClient.CLIENT_ERROR_BAD_REQUEST).type(
                    "text/plain").entity("rolenames not specified").build();
        }

        try {
            final JSONArray jsonIds = new JSONArray(rolenamesJSON);

            Collection<String> ids = new ArrayList<String>();
            for (int i = 0; i < jsonIds.length(); i++) {
                ids.add(jsonIds.getString(i));
            }
            Collection<Role> roles = repositoryFactory
                    .getSecurityMappingRepository(domain).addRolesToSubject(
                            subject, ids);
            mbean.incrementRequests();

            return Response.status(RestClient.OK_CREATED).entity(
                    IDUtils.getIdsAsString(roles)).build();
        } catch (Exception e) {
            LOGGER.error("failed to add roles", e);
            mbean.incrementError();

            return Response.status(RestClient.SERVER_INTERNAL_ERROR).type(
                    "text/plain").entity("failed to add roles\n").build();
        }
    }

    @DELETE
    @Produces(MediaType.APPLICATION_JSON)
    @Consumes( { MediaType.WILDCARD })
    @Path("/{domain}/{subject}")
    @Override
    public Response removeRolesToSubject(@PathParam("domain") String domain,
            @PathParam("subject") String subject,
            @FormParam("rolenames") String rolenamesJSON) {
        if (GenericValidator.isBlankOrNull(domain)) {
            return Response.status(RestClient.CLIENT_ERROR_BAD_REQUEST).type(
                    "text/plain").entity("domain not specified").build();
        }
        if (GenericValidator.isBlankOrNull(subject)) {
            return Response.status(RestClient.CLIENT_ERROR_BAD_REQUEST).type(
                    "text/plain").entity("subject not specified").build();
        }

        if (GenericValidator.isBlankOrNull(rolenamesJSON)) {
            return Response.status(RestClient.CLIENT_ERROR_BAD_REQUEST).type(
                    "text/plain").entity("rolenames not specified").build();
        }

        try {
            final JSONArray jsonIds = new JSONArray(rolenamesJSON);

            Collection<String> ids = new ArrayList<String>();
            for (int i = 0; i < jsonIds.length(); i++) {
                ids.add(jsonIds.getString(i));
            }
            Collection<Role> roles = repositoryFactory
                    .getSecurityMappingRepository(domain).removeRolesToSubject(
                            subject, ids);
            mbean.incrementRequests();

            return Response.status(RestClient.OK_CREATED).entity(
                    IDUtils.getIdsAsString(roles)).build();
        } catch (Exception e) {
            LOGGER.error("failed to remove roles", e);
            mbean.incrementError();

            return Response.status(RestClient.SERVER_INTERNAL_ERROR).type(
                    "text/plain").entity("failed to remove roles\n").build();
        }
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        if (repositoryFactory == null) {
            throw new IllegalStateException("repositoryFactory not set");
        }
    }

    public RepositoryFactory getRepositoryFactory() {
        return repositoryFactory;
    }

    public void setRepositoryFactory(RepositoryFactory repositoryFactory) {
        this.repositoryFactory = repositoryFactory;
    }

}