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.core.io.ClassPathResource;
import org.springframework.util.ResourceUtils;
public class CssStore implements ApplicationInitializedListener, Bootstrapable<String> {
public static final String BEAN_ID = "jibe.CssStore";
private static final Log logger = LogFactory.getLog(CssStore.class);
private List<String> cssFiles = new ArrayList<String>();
private List<String> cssPaths = new ArrayList<String>();
private String cssMinimized;
private Date modified = null;
public final String get() {
if (Application.isProduction()
&& !StringUtils.equals("true", (String) Context.getCurrentContext().getParams().get("debug"))) {
return cssMinimized;
} else {
return getCSSContent();
}
}
public void bootstrap(String cssPath) {
cssPaths.add(cssPath);
}
public void onApplicationInitialized() {
for (String cssPath : cssPaths) {
File[] fileNames = null;
try {
File file = ResourceUtils.getFile(Application.getClasspathPrefix() + cssPath);
if (file.exists()) {
fileNames = file.listFiles();
}
} catch (IOException e) {
throw new JibeRuntimeException("CSS Folder is not readable", e);
}
if (fileNames != null) {
for (File f : fileNames) {
cssFiles.add(String.format("%1$s/%2$s", Application.getClasspathPrefix() + cssPath, f.getName()));
}
}
}
try {
if (Application.isProduction()) {
String css = getCSSContent();
ByteArrayOutputStream bos = new ByteArrayOutputStream();
JSMin jsmin = new JSMin(new ByteArrayInputStream(css.getBytes()), bos);
jsmin.jsmin();
cssMinimized = bos.toString();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
modified = new Date();
}
private String getCSSContent() {
StringBuffer cssBuffer = new StringBuffer();
for (String cssFile : cssFiles) {
try {
File cssResource = ResourceUtils.getFile(cssFile);
cssBuffer.append(System.getProperty("line.separator"));
cssBuffer.append(FileUtils.readFileToString(cssResource, "UTF-8"));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return cssBuffer.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;
}
}