markomedia - web development

<cfparam name="dest" default="/path_to_extract/">
 
<cffunction name="getByteArray" access="private" returnType="binary" output="no">
	<cfargument name="size" type="numeric" required="true"/>
	<cfset var emptyByteArray =
	createObject("java", "java.io.ByteArrayOutputStream").init().toByteArray()/>
	<cfset var byteClass = emptyByteArray.getClass().getComponentType()/>
	<cfset var byteArray =
	createObject("java","java.lang.reflect.Array").newInstance(byteClass, arguments.size)/>
 
	<cfreturn byteArray />
</cffunction>
 
<cfscript>
	if(structKeyExists(form,"myFile") and len(form.myFile)) {
		content = ArrayNew(1);
		FileOutputStream = createObject('java',"java.io.FileOutputStream");
		BufferedOutputStream = createObject('java',"java.io.BufferedOutputStream");
		ZipFile = createObject('java',"java.util.zip.ZipFile");
		ioFile = createObject('java',"java.io.File");
		Byte = createObject('java',"java.lang.Byte");
 
		buffer = getByteArray(1024);
		length = 0;
 
		zipFileName = form.myFile;
 
		zFile = ZipFile.init(zipFileName);
		entries = zFile.entries();
 
		while(entries.hasMoreElements()) {
			entry = entries.nextElement();
 
			if(entry.isDirectory()) {
				// Assume directories are stored parents first then children.
				ioFile.init(dest & entry.getName()).mkdir();
				continue;
			}
			in = zipFile.getInputStream(entry);
			out = BufferedOutputStream.init(FileOutputStream.init(dest & entry.getName()));
 
			length = in.read(buffer);
			while(length gte 0) {
				 out.write(buffer, 0, length);
				 length = in.read(buffer);
			}
 
			in.close();
			out.close();
		}
 
		zFile.close();
 
		//loop tghrough content array and decrypt
	}
</cfscript>
 
<form name="myForm" method="POST" action="zip.cfm" enctype="multipart/form-data">
	<input type="file" name="myfile" />
	<input type="submit" name="submit" value="Upload" />
</form>