how to generate documentation of jfreechart using ant

I am using jfreechart in my project. No documentation is provided. However a build.xml is provided which can generate documentation. I have downloaded ant 1.8.2 and installed in c:\ant\ant 1.8.2. from CMD prompt, when i type ant javadoc, i get the error saying: Unable to locate tools.jar. Expected to f开发者_如何学Goind it in C:\Program Files\Java\jre6\li b\tools.jar Buildfile: build.xml does not exist! Build failed

I have pasted my build.xml file into c:\ant\ant 1.8.2. Just to tell you all, i have jre 6 in C:\Program Files\Java\jre6. I have also set environment variable path to c:\ant\ant 1.8.2\bin. Where am i doing it wrong? can it be done? Thanks in advance

Ensure that you are in the directory that contains the build.xml file when you run ant javadoc.

Rather than putting the build.xml file into your ANT install directories, install it by seting up your environment so that you can run ANT from anywhere. Then, CD to the directory that contains the build.xml and execute ant javadoc.

When you execute ANT, it expects to find a build.xml file in the directory that you are executing from, unless you specify a buildfile using the -buildfile option.

To make Ant use a build file other than build.xml, use the command-line option -buildfile file, where file is the name of the build file you want to use.

The warning about tools.jar is because you are running with the JRE, rather than a JDK. If you aren't compiling Java files, then you probably don't have to worry about it. ANT will run the majority of the tasks just fine using the JRE.