/*
* The Kuali Financial System, a comprehensive financial management system for higher education.
*
* Copyright 2005-2014 The Kuali Foundation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.kuali.kfs.module.purap.service.impl;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.kuali.kfs.module.purap.PurapConstants;
import org.kuali.kfs.module.purap.document.ContractManagerAssignmentDocument;
import org.kuali.kfs.module.purap.exception.PurapConfigurationException;
import org.kuali.kfs.module.purap.service.ImageService;
import org.kuali.kfs.sys.KFSConstants;
import org.kuali.kfs.sys.service.impl.KfsParameterConstants;
import org.kuali.rice.core.api.config.property.ConfigurationService;
import org.kuali.rice.coreservice.framework.parameter.ParameterService;
/**
* Implementation of ImageService.
*/
public class ImageServiceImpl implements ImageService {
private static Log LOG = LogFactory.getLog(ImageServiceImpl.class);
private ConfigurationService configurationService;
private ParameterService parameterService;
public void setParameterService(ParameterService parameterService) {
this.parameterService = parameterService;
}
public void setConfigurationService(ConfigurationService configurationService) {
this.configurationService = configurationService;
}
/**
* @see org.kuali.kfs.module.purap.dataaccess.ImageDao#getPurchasingDirectorImage(java.lang.String, java.lang.String, java.lang.String)
*/
public String getPurchasingDirectorImage(String key, String campusCode, String location) {
LOG.debug("getPurchasingDirectorImage() started");
String prefix = parameterService.getParameterValueAsString(KfsParameterConstants.PURCHASING_DOCUMENT.class, PurapConstants.PURCHASING_DIRECTOR_IMAGE_PREFIX);
String extension = "." + parameterService.getParameterValueAsString(KfsParameterConstants.PURCHASING_DOCUMENT.class, PurapConstants.PURCHASING_DIRECTOR_IMAGE_EXTENSION);
return getFile(prefix, campusCode, key, extension, location);
}
/**
* @see org.kuali.kfs.module.purap.dataaccess.ImageDao#getContractManagerImage(java.lang.String, java.lang.Integer, java.lang.String)
*/
public String getContractManagerImage(String key, Integer contractManagerId, String location) {
LOG.debug("getContractManagerImage() started");
NumberFormat formatter = new DecimalFormat("00");
String cm = formatter.format(contractManagerId);
String prefix = parameterService.getParameterValueAsString(ContractManagerAssignmentDocument.class, PurapConstants.CONTRACT_MANAGER_IMAGE_PREFIX);
String extension = "." + parameterService.getParameterValueAsString(ContractManagerAssignmentDocument.class, PurapConstants.CONTRACT_MANAGER_IMAGE_EXTENSION);
return getFile(prefix, cm, key, extension, location);
}
/**
* @see org.kuali.kfs.module.purap.dataaccess.ImageDao#getLogo(java.lang.String, java.lang.String, java.lang.String)
*/
public String getLogo(String key, String campusCode, String location) {
if (LOG.isDebugEnabled()) {
LOG.debug("getLogo() started. key is " + key + ". campusCode is " + campusCode);
}
String prefix = parameterService.getParameterValueAsString(KfsParameterConstants.PURCHASING_DOCUMENT.class, PurapConstants.LOGO_IMAGE_PREFIX);
String extension = "." + parameterService.getParameterValueAsString(KfsParameterConstants.PURCHASING_DOCUMENT.class, PurapConstants.LOGO_IMAGE_EXTENSION);
return getFile(prefix, campusCode, key, extension, location);
}
/**
* Copy a file from a web location to the local system.
*
* @param prefix - Prefix for the file name
* @param fileKey - File key for file
* @param key - Unique key for the file
* @param location - location of file
* @return - location to copied file
*/
protected String getFile(String prefix, String fileKey, String key, String extension, String location) {
LOG.debug("getFile() started");
// try retrieving file URL from parameter
String urlpath = parameterService.getParameterValueAsString(KfsParameterConstants.PURCHASING_DOCUMENT.class, PurapConstants.PDF_IMAGE_LOCATION_URL);
// if parameter value is empty, then try retrieving it from property
if (StringUtils.isEmpty(urlpath)) {
urlpath = configurationService.getPropertyValueAsString(KFSConstants.EXTERNALIZABLE_IMAGES_URL_KEY);
}
if (urlpath == null) {
throw new PurapConfigurationException("Application Setting " + KFSConstants.EXTERNALIZABLE_IMAGES_URL_KEY + " is missing");
}
if (location == null) {
throw new PurapConfigurationException("Valid location to store temp image files was null");
}
String completeUrl = urlpath + prefix + "_" + fileKey.toLowerCase() + extension;
if (LOG.isDebugEnabled()) {
LOG.debug("getFile() URL = " + completeUrl);
}
return completeUrl;
}
}