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<#include "license.ftl">
<@license/>
<#assign object = doc.object>
package ${object.@package}.service;
<#macro copy_resultset_to_pojo att>
<#if att?node_name != "object" && att?node_type == "element">
<#assign position = position + 1>
position = ${position};
<#if att?node_name == "boolean">
boolean _${att.@fieldName} = rs.getBoolean(${position} + offset);
if (!rs.wasNull()) {
retval.${att.@fieldName} = _${att.@fieldName};
} else {
retval.${att.@fieldName} = null;
}
<#elseif att?node_name == "date">
if (rs.getDate(${position} + offset) != null) {
retval.${att.@fieldName} = new Date(rs.getDate(${position} + offset).getTime());
} else {
retval.${att.@fieldName} = null;
}
<#elseif att?node_name == "datetime">
if (rs.getTimestamp(${position} + offset) != null) {
retval.${att.@fieldName} = new Date(rs.getTimestamp(${position} + offset).getTime());
} else {
retval.${att.@fieldName} = null;
}
<#elseif att?node_name=="string" || att?node_name == "html">
<#if att?node_name=="html" || att.@maxlength[0]?number > 65000>
InputStream ${att.@fieldName}Stream = rs.getBinaryStream(${position} + offset);
if (${att.@fieldName}Stream != null) {
retval.${att.@fieldName} = IOUtils.toString(${att.@fieldName}Stream ,"UTF-8");
}
<#else>
retval.${att.@fieldName} = rs.getString(${position} + offset);
<#elseif att?node_name=="long">
long ${att.@fieldName} = rs.getLong(${position} + offset);
if (!rs.wasNull()) {
retval.${att.@fieldName} = ${att.@fieldName};
} else {
retval.${att.@fieldName} = null;
}
<#elseif att?node_name=="double">
double ${att.@fieldName} = rs.getDouble(${position} + offset);
if (!rs.wasNull()) {
retval.${att.@fieldName} = ${att.@fieldName};
} else {
retval.${att.@fieldName} = null;
}
<#elseif att?node_name=="integer">
int ${att.@fieldName} = rs.getInt(${position} + offset);
if (!rs.wasNull()) {
retval.${att.@fieldName} = ${att.@fieldName};
} else {
retval.${att.@fieldName} = null;
}
<#elseif att?node_name=="enum">
retval.${att.@fieldName} = <#if !att.@scope[0]?? || att.@scope[0] == "local">${object.@name}.${att.@className}.valueOfNullSafe(rs.getString(${position} + offset));
<#else>
ERROR, unsupported attribute type ${att?node_name}
<#macro copy_dates>
<#assign position = position + 1>
position = ${position};
if (rs.getTimestamp(${position} + offset) != null) {
retval.creationDate = new Date(rs.getTimestamp(${position} + offset).getTime());
}
<#assign position = position + 1>
position = ${position};
if (rs.getTimestamp(${position} + offset) != null) {
retval.updateDate = new Date(rs.getTimestamp(${position} + offset).getTime());
}
<#macro copy_resultset_to_json att>
<#if att?node_name != "object" && att?node_type == "element">
writer.print(',');
<#assign position = position + 1>
position = ${position};
<#if att?node_name == "date">
writer.date(${object.@name}Fields.${att.@fieldName}.name(), rs.getDate(${position} + offset), rs.wasNull());
<#elseif att?node_name=="datetime">
writer.dateTime(${object.@name}Fields.${att.@fieldName}.name(), rs.getTimestamp(${position} + offset), rs.wasNull());
<#elseif att?node_name=="long" || att?node_name=="integer" || att?node_name=="double">
writer.rs(${object.@name}Fields.${att.@fieldName}.sqlType, ${object.@name}Fields.${att.@fieldName}.name(), rs.getString(${position} + offset));
<#elseif att?node_name=="html">
writer.stream(${object.@name}Fields.${att.@fieldName}.name(), rs.getBinaryStream(${position} + offset), rs.wasNull());
<#elseif att?node_name=="boolean">
Boolean _${att.@fieldName} = rs.getBoolean(${position} + offset);
if (rs.wasNull()) _${att.@fieldName} = null;
writer.kvp(${object.@name}Fields.${att.@fieldName}.name(), _${att.@fieldName});
<#elseif att?node_name=="string">
writer.rs(${object.@name}Fields.${att.@fieldName}.sqlType, ${object.@name}Fields.${att.@fieldName}.name(), rs.getString(${position} + offset));
<#elseif att?node_name=="enum">
writer.quoted(${object.@name}Fields.${att.@fieldName}.name(), rs.getString(${position} + offset));
<#else>
ERROR, unsupported attribute type ${att?node_name}
<#macro copy_dates_to_json>
<#assign position = position + 1>
position = ${position};
writer.print(',');
writer.dateTime("creationDate", rs.getTimestamp(${position} + offset));
<#assign position = position + 1>
position = ${position};
writer.print(',');
writer.dateTime("updateDate", rs.getTimestamp(${position} + offset));
<#macro copy_pojo_to_json att>
<#if att?node_name != "object" && att?node_type == "element">
writer.print(',');
<#if att?node_name == "date">
writer.date(${object.@name}Fields.${att.@fieldName}.name(), pojo.get${att.@fieldName?cap_first}());
<#elseif att?node_name == "datetime">
writer.dateTime(${object.@name}Fields.${att.@fieldName}.name(), pojo.get${att.@fieldName?cap_first}());
<#elseif att?node_name=="long" || att?node_name=="integer" || att?node_name=="double" || att?node_name=="boolean">
writer.kvp(${object.@name}Fields.${att.@fieldName}.name(), pojo.get${att.@fieldName?cap_first}());
<#elseif att?node_name=="string" || att?node_name=="html">
writer.escaped(${object.@name}Fields.${att.@fieldName}.name(), pojo.get${att.@fieldName?cap_first}());
<#elseif att?node_name=="enum">
writer.quoted(${object.@name}Fields.${att.@fieldName}.name(), pojo.get${att.@fieldName?cap_first}());
<#else>
ERROR ${att?node_name}
<#macro copy_pojo_dates_to_json>
writer.print(',');
writer.dateTime("creationDate", pojo.getCreationDate());
writer.print(',');
writer.dateTime("updateDate", pojo.getUpdateDate());
<#assign stream = "false">
<#list doc["/object/attributes/*"] as att>
<#if att?node_name == "html">
<#assign stream = "true">
<#elseif att?node_name == "string" && att.@maxlength[0]?number > 65000>
<#assign stream = "true">
import org.jetbrains.annotations.*;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.lang3.StringUtils;
import java.io.*;
import java.sql.ResultSet;
import java.sql.SQLException;
<#if object.attributes.html[0]??>
import org.apache.commons.io.IOUtils;
import java.text.ParseException;
import java.util.Date;
<#if doc["//enum[@scope='global']"][0]??>
import ${object.@package}.model.enums.*;
<#if object.lazyScope[0]??>
import java.util.HashMap;
import java.util.Map;
import static java.util.logging.Level.INFO;
import static java.util.logging.Level.SEVERE;
import java.util.logging.Logger;
import ${object.@package}.model.*;
import ${object.@package}.model.base.${object.@name}Base;
import ${object.@package}.model.fields.*;
import redora.exceptions.*;
import redora.util.JSONWriter;
import static redora.db.SQLParameter.yyyyMMdd;
import static redora.db.SQLParameter.yyyyMMddHHMMSS;
/**
* Utility to move around data from DB to pojo or from DB to JSON.
* Use statical like:
*
* ${object.@name}Util.copy(resultSet, 0, redora.api.fetch.Scope.Table, myPojo);
*
* @author Redora (www.redora.net)
*/
public class ${object.@name}Util {
private static final transient Logger l = Logger.getLogger("${object.@package}.service.${object.@name}Util");
/**
* Copies the ResultSet into a ${object.@name}.
* The ResultSet is parsed by index for maximum performance. By default this starts
* at 1, but you can add an offset if you have used a query with a field list with other
* object(s) than ${object.@name}. For normal queries set offset = 0.
* @param rs (Mandatory) ResultSet containing all fields listed in ${object.@name}Fields
* @param offset (Mandatory) Almost always 0. When performing a query on multiple tables give the offset of the fields in the select.
* @param scope (Mandatory) The Fetch Scope
* @param retval (Mandatory) The ${object.@name} you wish to decorate with the information from the ResultSet.
* @throws CopyException On error when copying from the ResultSet
* @see ${object.@name}Fields
*/
public static void copy(@NotNull ResultSet rs, int offset, @NotNull redora.api.fetch.Scope scope
, @NotNull ${object.@name}Base retval) throws CopyException {
retval.fetchScope = scope;
int position = 1;
try {
retval.id = rs.getLong(1 + offset);
if (scope == redora.api.fetch.Scope.List) {
<#assign position = 1>
<#if object.listScope[0]??>
<#list object.listScope?children as att>
<@copy_resultset_to_pojo att=att />
} else if (scope == redora.api.fetch.Scope.Table) {
<#assign position = 1>
<#list object.tableScope?children as att>
<@copy_resultset_to_pojo att=att />
<@copy_dates />
} else if (scope == redora.api.fetch.Scope.Form) {
<#assign position = 1>
<#list object.formScope?children as att>
<@copy_resultset_to_pojo att=att />
<@copy_dates />
} else {
throw new CopyException("Unsupported scope " + scope);
}
<#if stream == "true">
} catch (IOException e) {
throw new CopyException("Failed to stream from field to object ${object.@name} at field id/scope/position/offset: " + retval.id + "/" + scope + "/" + position + "/" + offset, e);
} catch (SQLException e) {
String columns = "";
try {
for (int i = 1; i < rs.getMetaData().getColumnCount(); i++)
columns += rs.getMetaData().getColumnName(i) + " [" + i + "],";
} catch (SQLException e1) {} //ignore
l.log(INFO, "Columns for following exception {0}", columns);
throw new CopyException("Failed to copy from field to object ${object.@name} at field id/scope/position/offset: " + retval.id + "/" + scope + "/" + position + "/" + offset, e);
}
}
<#if object.lazyScope[0]??>
/**
* Copies lazy loading field resultset into a Map. All the lazy=true fields will be fetched in one stroke,
* however, fields that are not in ${object.@name} are unfetched: lazy object's and set's.
*
* @param rs (Mandatory) ResultSet containing all fields listed in ${object.@name}Fields
* @param offset (Mandatory) Almost always 0. When performing a query on multiple tables give the offset of the fields in the select.
* @return Always filled Map. If there are no lazy fields, this method would not exist.
* @throws CopyException On error when copying from ResultSet
* @see ${object.@name}Fields
*/
@NotNull
public static Map copyLazy(@NotNull ResultSet rs, int offset) throws CopyException {
Map map = new HashMap();
try {
<#assign position = 1>
<#list object.lazyScope?children as att>
<#if att?node_name == "string" || att?node_name == "html">
<#assign position = position + 1>
<#if att?node_name == "html" || att.@maxlength[0]?number > 65000>
java.io.InputStream _${att.@fieldName}Stream = rs.getBinaryStream(${position} + offset);
if (_${att.@fieldName}Stream != null) {
map.put(${object.@name}Fields.${att.@fieldName}.name(), IOUtils.toString(_${att.@fieldName}Stream));
}
<#else>
String ${att.@fieldName} = rs.getString(${position} + offset);
map.put(${object.@name}Fields.${att.@fieldName}.name(), ${att.@fieldName});
} catch (Exception e) {
throw new CopyException("Failed to copy lazy field from table to Map",e);
}
return map;
}
/**
* Copies te resultset into a JSON stream.
* The resultset is default parsed by index for maximum performance.
* @param rs (Mandatory) ResultSet containing all fields listed in ${object.@name}Fields
* @param offset (Mandatory) Almost always 0. When performing a query on multiple tables give the offset of the fields in the select.
* @param writer (Mandatory) The output stream as JSON writer, typically routed to your servlets' writer stream.
* @throws CopyException On error when copying from ResultSet
**/
public static void jsonStream(@NotNull ResultSet rs, int offset, @NotNull JSONWriter writer, @NotNull redora.api.fetch.Scope scope) throws CopyException {
int position = 1;
Long id = null;
try {
writer.print('{');
id = rs.getLong(1 + offset); //id is not null
writer.kvp("id", id);
writer.print(',');
writer.kvp("_scope", scope.ordinal());
switch (scope) {
case List: {
<#assign position = 1>
<#if object.listScope[0]??>
<#list object.listScope?children as att>
<@copy_resultset_to_json att=att />
break;
}
case Table: {
<#assign position = 1>
<#list object.tableScope?children as att>
<@copy_resultset_to_json att=att />
<@copy_dates_to_json />
break;
}
case Form: {
<#assign position = 1>
<#list object.formScope?children as att>
<@copy_resultset_to_json att=att />
<@copy_dates_to_json />
break;
}
case Lazy: {
<#assign position = 1>
<#if object.lazyScope[0]??>
<#list object.lazyScope?children as att>
<@copy_resultset_to_json att=att />
break;
}
default: {
throw new IllegalArgumentException("Unsupported scope " + scope);
}
}
writer.print('}');
} catch (Exception e) {
String columns = "";
try {
for (int i = 1; i < rs.getMetaData().getColumnCount(); i++)
columns += rs.getMetaData().getColumnName(i) + " [" + i + "],";
} catch (SQLException e1) {} //ignore
l.log(INFO, "Columns for following exception {0}", columns);
throw new CopyException("Failed to copy from ResultSet into JSON for ${object.@name} at field id/scope/position/offset: " + id + "/" + scope + "/" + position + "/" + offset,e);
}
}
/**
* Copies ${object.@name} to JSONWriter.
**/
public static void copy(@NotNull ${object.@name} pojo, @NotNull JSONWriter writer)
throws JSONException, CopyException {
try {
writer.print('{');
writer.kvp("id", pojo.getId());
writer.print(',');
writer.kvp("_scope", pojo.fetchScope.ordinal());
switch (pojo.fetchScope) {
case List: {
<#assign position = 1>
<#if object.listScope[0]??>
<#list object.listScope?children as att>
<@copy_pojo_to_json att=att />
break;
}
case Table: {
<#assign position = 1>
<#list object.tableScope?children as att>
<@copy_pojo_to_json att=att />
<@copy_pojo_dates_to_json />
break;
}
case Form: {
<#assign position = 1>
<#list object.formScope?children as att>
<@copy_pojo_to_json att=att />
<@copy_pojo_dates_to_json />
break;
}
default: {
throw new IllegalArgumentException("Unsupported scope " + pojo.fetchScope);
}
}
writer.print('}');
} catch (Exception e) {
throw new CopyException("Failed to copy from pojo into JSON for ${object.@name}",e);
}
}
/**
* Decorates returned ${object.@name} with the values provided with the HTTP request.
* If the request contains an id parameter, the corresponding ${object.@name} will be
* fetched from the DB first. Otherwise a new ${object.@name} will be created.
* The request object should contain parameters like "${object.@name}.[attributeName]="
* which will be set through the ${object.@name} setters. The client (that created the request object)
* can omit attributes that it does not have or those that didn't change. If an attribute needs
* to be nullified, simply supply it as empty.
* @param request Request containing parameters like "${object.@name}.[attributeName]="
* @throws CopyException When a ${object.@name} is updated, a FindById is performed to get the original. When this fails, this is the exception.
*/
@NotNull
public static ${object.@name} from(@NotNull HttpServletRequest request)
throws CopyException {
final ${object.@name} pojo;
if (StringUtils.isNotEmpty(request.getParameter("id"))) {
${object.@name}Service service = null;
try {
service = ServiceFactory.${object.@name?uncap_first}Service();
pojo = service.findById(Long.valueOf(request.getParameter("id")), redora.api.fetch.Scope.Form);
} catch (RedoraException e) {
l.log(SEVERE, "Failed to retrieve for persist ${object.@name}: " + request.getParameter("id"), e);
throw new CopyException("Failed to retrieve for persist ${object.@name}: " + request.getParameter("id"), e);
} finally {
ServiceFactory.close(service);
}
} else {
pojo = new ${object.@name}();
}
<#list object.attributes?children as att>
<#if att?node_name == "long">
if (request.getParameterMap().containsKey("${att.@fieldName}")) {
if (!StringUtils.isEmpty(request.getParameter("${att.@fieldName}")))
pojo.set${att.@fieldName?cap_first}(Long.valueOf(request.getParameter("${att.@fieldName}")));
else
pojo.set${att.@fieldName?cap_first}(null);
}
<#elseif att?node_name == "integer">
if (request.getParameterMap().containsKey("${att.@fieldName}")) {
if (!StringUtils.isBlank(request.getParameter("${att.@fieldName}")))
pojo.set${att.@fieldName?cap_first}(Integer.parseInt(request.getParameter("${att.@fieldName}")));
else
pojo.set${att.@fieldName?cap_first}(null);
}
<#elseif att?node_name == "double">
if (request.getParameterMap().containsKey("${att.@fieldName}")) {
if (!StringUtils.isBlank(request.getParameter("${att.@fieldName}")))
pojo.set${att.@fieldName?cap_first}(Double.valueOf(request.getParameter("${att.@fieldName}")));
else
pojo.set${att.@fieldName?cap_first}(null);
}
<#elseif att?node_name == "string">
if (request.getParameterMap().containsKey("${att.@fieldName}")) {
<#if att.@lazy=="true">
try {
if (!StringUtils.isEmpty(request.getParameter("${att.@fieldName}")))
pojo.set${att.@fieldName?cap_first}(request.getParameter("${att.@fieldName}"));
else
pojo.set${att.@fieldName?cap_first}(null);
} catch(LazyException e) {
throw new CopyException("Failed to retrieved the lazy ${att.@fieldName}", e);
}
<#else>
if (!StringUtils.isBlank(request.getParameter("${att.@fieldName}")))
pojo.set${att.@fieldName?cap_first}(request.getParameter("${att.@fieldName}"));
else
pojo.set${att.@fieldName?cap_first}(null);
}
<#elseif att?node_name == "html">
if (request.getParameterMap().containsKey("${att.@fieldName}")) {
try {
if (!StringUtils.isEmpty(request.getParameter("${att.@fieldName}")))
pojo.set${att.@fieldName?cap_first}(request.getParameter("${att.@fieldName}"));
else
pojo.set${att.@fieldName?cap_first}(null);
} catch(RedoraException e) {
throw new CopyException("Failed to retrieved the html field ${att.@fieldName}", e);
}
}
<#elseif att?node_name == "enum">
if (request.getParameterMap().containsKey("${att.@fieldName}")) {
if (!StringUtils.isEmpty(request.getParameter("${att.@fieldName}")))
pojo.set${att.@fieldName?cap_first}(<#if !att.@scope[0]?? || att.@scope[0] == "local">${object.@name}.${att.@className}.valueOfNullSafe(request.getParameter("${att.@fieldName}")));
else
pojo.set${att.@fieldName?cap_first}(null);
}
<#elseif att?node_name == "date" || att?node_name == "datetime">
if (request.getParameterMap().containsKey("${att.@fieldName}")) {
if (!StringUtils.isEmpty(request.getParameter("${att.@fieldName}"))) {
try {
pojo.set${att.@fieldName?cap_first}(yyyyMMdd<#if att?node_name == "datetime">HHMMSS.parse(request.getParameter("${att.@fieldName}")));
} catch(ParseException e) {
throw new CopyException("Failed to copy this date: " + request.getParameter("${att.@fieldName}"), e);
}
} else
pojo.set${att.@fieldName?cap_first}(null);
}
<#elseif att?node_name == "set">
<#if att.@multiplicity="n-to-m">
if (!StringUtils.isBlank(request.getParameter("${att.@theirName}Id"))) {
${att.@class}Service service = null;
String id = null;
try {
service = ServiceFactory.${att.@class?uncap_first}Service();
for (String _id : request.getParameter("${att.@theirName}Id").split(",")) {
id = _id; //Keep a copy for exception handling
pojo.get${att.@fieldName?cap_first}().add(service.findById(Long.valueOf(id), redora.api.fetch.Scope.Table));
}
} catch(RedoraException e) {
throw new CopyException("Copy failed with pojo.get${att.@fieldName?cap_first}(id = " + id + ")", e);
} finally {
ServiceFactory.close(service);
}
}
<#elseif att?node_name == "boolean">
if (request.getParameterMap().containsKey("${att.@fieldName}")) {
if (!StringUtils.isEmpty(request.getParameter("${att.@fieldName}")))
pojo.set${att.@fieldName?cap_first}(Boolean.valueOf(request.getParameter("${att.@fieldName}")));
else
pojo.set${att.@fieldName?cap_first}(null);
}
if (request.getParameterMap().containsKey("creationDate")) {
if (!StringUtils.isEmpty(request.getParameter("creationDate"))) {
try {
pojo.creationDate = new Date((yyyyMMddHHMMSS.parse(request.getParameter("creationDate")).getTime()/1000)*1000);
} catch(ParseException e) {
throw new CopyException("Failed to copy this date: " + request.getParameter("creationDate"), e);
}
}
}
if (request.getParameterMap().containsKey("updateDate")) {
if (!StringUtils.isEmpty(request.getParameter("updateDate"))) {
try {
pojo.updateDate = new Date((yyyyMMddHHMMSS.parse(request.getParameter("updateDate")).getTime()/1000)*1000);
} catch(ParseException e) {
throw new CopyException("Failed to copy this date: " + request.getParameter("updateDate"), e);
}
}
}
return pojo;
}
}
