com.glaf.jbpm.util.HibernateUtils.java Source code

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Here is the source code for com.glaf.jbpm.util.HibernateUtils.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * 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
 *
 * 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.
 */

package com.glaf.jbpm.util;

import java.io.File;
import java.sql.Timestamp;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import org.hibernate.Query;
import org.hibernate.cfg.Configuration;

import com.glaf.core.config.SystemProperties;
import com.glaf.core.entity.SqlExecutor;
import com.glaf.core.util.DateUtils;
import com.glaf.jbpm.db.JbpmConfiguration;

public class HibernateUtils {

    public static Configuration createHibernateConfiguration() {
        try {
            JbpmConfiguration cfg = new JbpmConfiguration();
            cfg.config();
            Thread.sleep(1000);
        } catch (Exception ex) {
            ex.printStackTrace();
        }

        Configuration configuration = new Configuration();
        String filename = SystemProperties.getConfigRootPath() + "/conf/jbpm/hibernate.cfg.xml";
        File cfgUrl = new File(filename);
        configuration.configure(cfgUrl);
        return configuration;
    }

    public static void fillParameters(Query query, List<Object> values) {
        if (values == null || values.size() == 0) {
            return;
        }
        for (int i = 0; i < values.size(); i++) {
            Object object = values.get(i);
            int index = i;
            if (object != null) {
                if (object instanceof java.sql.Date) {
                    java.sql.Date sqlDate = (java.sql.Date) object;
                    query.setDate(index, sqlDate);
                } else if (object instanceof java.sql.Time) {
                    java.sql.Time sqlTime = (java.sql.Time) object;
                    query.setTime(index, sqlTime);
                } else if (object instanceof java.sql.Timestamp) {
                    Timestamp datetime = (Timestamp) object;
                    query.setTimestamp(index, datetime);
                } else if (object instanceof java.util.Date) {
                    Timestamp datetime = DateUtils.toTimestamp((java.util.Date) object);
                    query.setTimestamp(index, datetime);
                } else {
                    query.setParameter(index, object);
                }
            } else {
                query.setParameter(index, null);
            }
        }
    }

    @SuppressWarnings("rawtypes")
    public static void fillParameters(Query query, Map<String, Object> params) {
        if (params == null || params.size() == 0) {
            return;
        }
        Set<Entry<String, Object>> entrySet = params.entrySet();
        for (Entry<String, Object> entry : entrySet) {
            String name = entry.getKey();
            Object value = entry.getValue();
            query.setParameter(name, value);
            if (value instanceof Collection) {
                Collection values = (Collection) value;
                query.setParameterList(name, values);
            }
        }
    }

    public static SqlExecutor replaceSQL(String sql, Map<String, Object> params) {
        if (sql == null || params == null) {
            return null;
        }
        SqlExecutor sqlExecutor = new SqlExecutor();
        Map<String, Object> paramMap = new java.util.HashMap<String, Object>();

        StringBuffer sb = new StringBuffer();
        int begin = 0;
        int end = 0;
        boolean flag = false;
        for (int i = 0; i < sql.length(); i++) {
            if (sql.charAt(i) == '$' && sql.charAt(i + 1) == '{') {
                sb.append(sql.substring(end, i));
                begin = i + 2;
                flag = true;
            }
            if (flag && sql.charAt(i) == '}') {
                String temp = sql.substring(begin, i);
                sb.append("  :").append(temp).append(" ");
                end = i + 1;
                flag = false;
                paramMap.put(temp, params.get(temp));
            }
            if (i == sql.length() - 1) {
                sb.append(sql.substring(end, i + 1));
            }
        }
        sqlExecutor.setParameter(paramMap);
        sqlExecutor.setSql(sb.toString());
        return sqlExecutor;
    }
}