001/*
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     matic
018 */
019package org.nuxeo.ecm.automation.client.jaxrs.spi.marshallers;
020
021import java.io.IOException;
022import java.util.HashSet;
023import java.util.Set;
024
025import org.codehaus.jackson.JsonGenerator;
026import org.codehaus.jackson.JsonParser;
027import org.codehaus.jackson.JsonToken;
028import org.nuxeo.ecm.automation.client.LoginInfo;
029import org.nuxeo.ecm.automation.client.jaxrs.spi.JsonMarshaller;
030
031/**
032 * @author matic
033 */
034public class LoginMarshaller implements JsonMarshaller<LoginInfo> {
035
036    @Override
037    public String getType() {
038        return "login";
039    }
040
041    @Override
042    public Class<LoginInfo> getJavaType() {
043        return LoginInfo.class;
044    }
045
046    public String getReference(LoginInfo info) {
047        throw new UnsupportedOperationException();
048    }
049
050    @Override
051    public LoginInfo read(JsonParser jp) throws IOException {
052        boolean isAdmin = false;
053        String username = null;
054        Set<String> groups = null;
055        JsonToken tok = jp.nextToken();
056        while (tok != null && tok != JsonToken.END_OBJECT) {
057            String key = jp.getCurrentName();
058            if ("username".equals(key)) {
059                username = jp.getText();
060            } else if ("isAdministrator".equals(key)) {
061                isAdmin = Boolean.parseBoolean(jp.getText());
062            } else if ("groups".equals(key)) {
063                jp.nextToken();
064                groups = readGroups(jp);
065            }
066            tok = jp.nextToken();
067        }
068        if (tok == null) {
069            throw new IllegalArgumentException("Unexpected end of stream.");
070        }
071        return new LoginInfo(username, groups, isAdmin);
072    }
073
074    protected Set<String> readGroups(JsonParser jp) throws IOException {
075        HashSet<String> groups = new HashSet<String>();
076        JsonToken tok = jp.nextToken();
077        while (tok != JsonToken.END_ARRAY) {
078            groups.add(jp.getText());
079            tok = jp.nextToken();
080        }
081        return groups;
082    }
083
084    @Override
085    public void write(JsonGenerator jg, Object value) throws IOException {
086        LoginInfo loginInfo = (LoginInfo) value;
087        jg.writeStringField("username", loginInfo.getUsername());
088        jg.writeBooleanField("isAdministrator", loginInfo.isAdministrator());
089        jg.writeArrayFieldStart("groups");
090        String[] groups = loginInfo.getGroups();
091        if (groups != null) {
092            for (String g : groups) {
093                jg.writeString(g);
094            }
095        }
096        jg.writeEndArray();
097    }
098
099}