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Script files are loadable from extensions

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@3663 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley 2006-09-03 20:59:44 +00:00
parent e738ddfdf1
commit 3b225fd1f8
1 changed files with 37 additions and 31 deletions
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60
source/java/org/alfresco/repo/domain/schema/SchemaBootstrap.java
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@ -20,8 +20,8 @@ import java.io.BufferedReader;
import java.io.BufferedWriter; import java.io.BufferedWriter;
import java.io.File; import java.io.File;
import java.io.FileInputStream; import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter; import java.io.FileWriter;
import java.io.InputStream;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.io.Writer; import java.io.Writer;
import java.sql.Connection; import java.sql.Connection;
@ -47,8 +47,10 @@ import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationEvent; import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener; import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextRefreshedEvent; import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternResolver;
import org.springframework.orm.hibernate3.LocalSessionFactoryBean; import org.springframework.orm.hibernate3.LocalSessionFactoryBean;
import org.springframework.util.ResourceUtils;
/** /**
* Bootstraps the schema and schema update. The schema is considered missing if the applied patch table * Bootstraps the schema and schema update. The schema is considered missing if the applied patch table
@ -316,7 +318,8 @@ public class SchemaBootstrap implements ApplicationListener
// perform a full update using Hibernate-generated statements // perform a full update using Hibernate-generated statements
File tempFile = TempFileProvider.createTempFile("AlfrescoSchemaCreate", ".sql"); File tempFile = TempFileProvider.createTempFile("AlfrescoSchemaCreate", ".sql");
dumpSchemaCreate(cfg, tempFile); dumpSchemaCreate(cfg, tempFile);
executeScriptFile(cfg, connection, tempFile); FileInputStream tempInputStream = new FileInputStream(tempFile);
executeScriptFile(cfg, connection, tempInputStream, tempFile.getPath());
// execute post-create scripts (not patches) // execute post-create scripts (not patches)
for (String scriptUrl : this.postCreateScriptUrls) for (String scriptUrl : this.postCreateScriptUrls)
{ {
@ -357,7 +360,8 @@ public class SchemaBootstrap implements ApplicationListener
// execute if there were changes raised by Hibernate // execute if there were changes raised by Hibernate
if (tempFile != null) if (tempFile != null)
{ {
executeScriptFile(cfg, connection, tempFile); InputStream tempInputStream = new FileInputStream(tempFile);
executeScriptFile(cfg, connection, tempInputStream, tempFile.getPath());
} }
} }
} }
@ -406,14 +410,14 @@ public class SchemaBootstrap implements ApplicationListener
private void executeScriptUrl(Configuration cfg, Connection connection, String scriptUrl) throws Exception private void executeScriptUrl(Configuration cfg, Connection connection, String scriptUrl) throws Exception
{ {
Dialect dialect = Dialect.getDialect(cfg.getProperties()); Dialect dialect = Dialect.getDialect(cfg.getProperties());
File scriptFile = getScriptFile(dialect.getClass(), scriptUrl); InputStream scriptInputStream = getScriptInputStream(dialect.getClass(), scriptUrl);
// check that it exists // check that it exists
if (scriptFile == null) if (scriptInputStream == null)
{ {
throw AlfrescoRuntimeException.create(ERR_SCRIPT_NOT_FOUND, scriptUrl); throw AlfrescoRuntimeException.create(ERR_SCRIPT_NOT_FOUND, scriptUrl);
} }
// now execute it // now execute it
executeScriptFile(cfg, connection, scriptFile); executeScriptFile(cfg, connection, scriptInputStream, scriptUrl);
} }
/** /**
@ -421,32 +425,23 @@ public class SchemaBootstrap implements ApplicationListener
* it. If not found, the dialect hierarchy will be walked until a compatible script is * it. If not found, the dialect hierarchy will be walked until a compatible script is
* found. This makes it possible to have scripts that are generic to all dialects. * found. This makes it possible to have scripts that are generic to all dialects.
* *
* @return Returns the file if found, otherwise null * @return Returns an input stream onto the script, otherwise null
*/ */
private File getScriptFile(Class dialectClazz, String scriptUrl) throws Exception private InputStream getScriptInputStream(Class dialectClazz, String scriptUrl) throws Exception
{ {
// replace the dialect placeholder // replace the dialect placeholder
String dialectScriptUrl = scriptUrl.replaceAll(PLACEHOLDER_SCRIPT_DIALECT, dialectClazz.getName()); String dialectScriptUrl = scriptUrl.replaceAll(PLACEHOLDER_SCRIPT_DIALECT, dialectClazz.getName());
// get a handle on the resource // get a handle on the resource
try ResourcePatternResolver rpr = new PathMatchingResourcePatternResolver(this.getClass().getClassLoader());
Resource resource = rpr.getResource(dialectScriptUrl);
if (!resource.exists())
{ {
File scriptFile = ResourceUtils.getFile(dialectScriptUrl);
if (scriptFile.exists())
{
// found a compatible dialect version
return scriptFile;
}
}
catch (FileNotFoundException e)
{
// doesn't exist
}
// it wasn't found. Get the superclass of the dialect and try again // it wasn't found. Get the superclass of the dialect and try again
Class superClazz = dialectClazz.getSuperclass(); Class superClazz = dialectClazz.getSuperclass();
if (Dialect.class.isAssignableFrom(superClazz)) if (Dialect.class.isAssignableFrom(superClazz))
{ {
// we still have a Dialect - try again // we still have a Dialect - try again
return getScriptFile(superClazz, scriptUrl); return getScriptInputStream(superClazz, scriptUrl);
} }
else else
{ {
@ -454,12 +449,22 @@ public class SchemaBootstrap implements ApplicationListener
return null; return null;
} }
} }
else
private void executeScriptFile(Configuration cfg, Connection connection, File scriptFile) throws Exception
{ {
logger.info(I18NUtil.getMessage(MSG_EXECUTING_SCRIPT, scriptFile)); // we have a handle to it
return resource.getInputStream();
}
}
BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(scriptFile), "UTF8")); private void executeScriptFile(
Configuration cfg,
Connection connection,
InputStream scriptInputStream,
String scriptUrl) throws Exception
{
logger.info(I18NUtil.getMessage(MSG_EXECUTING_SCRIPT, scriptUrl));
BufferedReader reader = new BufferedReader(new InputStreamReader(scriptInputStream, "UTF8"));
try try
{ {
int line = 0; int line = 0;
@ -486,7 +491,7 @@ public class SchemaBootstrap implements ApplicationListener
if (sb.length() > 0) if (sb.length() > 0)
{ {
// we have an unterminated statement // we have an unterminated statement
throw AlfrescoRuntimeException.create(ERR_STATEMENT_TERMINATOR, (line - 1), scriptFile); throw AlfrescoRuntimeException.create(ERR_STATEMENT_TERMINATOR, (line - 1), scriptUrl);
} }
// there has not been anything to execute - it's just a comment line // there has not been anything to execute - it's just a comment line
continue; continue;
@ -524,6 +529,7 @@ public class SchemaBootstrap implements ApplicationListener
finally finally
{ {
try { reader.close(); } catch (Throwable e) {} try { reader.close(); } catch (Throwable e) {}
try { scriptInputStream.close(); } catch (Throwable e) {}
} }
} }
} }