package org.jibeframework.core.app.store;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jibeframework.core.Context;
import org.jibeframework.core.JibeRuntimeException;
import org.jibeframework.core.app.Application;
import org.jibeframework.core.app.ApplicationInitializedListener;
import org.jibeframework.core.app.bootstrap.Bootstrapable;
import org.jibeframework.core.util.JSMin;
import org.springframework.util.ResourceUtils;
public class JavascriptStore implements ApplicationInitializedListener, Bootstrapable<List<String>> {
public static final String BEAN_ID = "jibe.JavascriptStore";
private static final Log logger = LogFactory.getLog(JavascriptStore.class);
private List<String> javaScriptFiles = new ArrayList<String>();
private String javaScriptsMinimized;
private Date modified = null;
public void bootstrap(List<String> scripts) {
javaScriptFiles.addAll(scripts);
}
public final String get() {
if (Application.isProduction()
&& !StringUtils.equals("true", (String) Context.getCurrentContext().getParams().get("debug"))) {
return javaScriptsMinimized;
} else {
return getJavaScriptContent();
}
}
public void onApplicationInitialized() {
try {
String js = getJavaScriptContent();
ByteArrayOutputStream bos = new ByteArrayOutputStream();
JSMin jsmin = new JSMin(new ByteArrayInputStream(js.getBytes()), bos);
jsmin.jsmin();
javaScriptsMinimized = bos.toString();
} catch (Exception e) {
throw new RuntimeException(e);
}
// modified = new Date();
}
private String getJavaScriptContent() {
StringBuffer javaScriptsBuffer = new StringBuffer();
for (String script : javaScriptFiles) {
javaScriptsBuffer.append(String.format("/*%1$s*/", script));
javaScriptsBuffer.append(System.getProperty("line.separator"));
try {
File file = ResourceUtils.getFile(Application.getClasspathPrefix() + script);
javaScriptsBuffer.append(FileUtils.readFileToString(file, "UTF-8"));
} catch (IOException e) {
throw new JibeRuntimeException("Can not read javascript file:" + script);
}
}
return javaScriptsBuffer.toString();
}
/**
*
* @return the last modified Date.getTime() or 0L if modified is null
*/
public long getLastModified() {
if (modified != null)
return modified.getTime();
else
return 0L;
}
}