CmakeBuilderImpl.java

package hudson.plugins.cmake;

import hudson.FilePath;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Map;
import java.util.Set;

import org.kohsuke.stapler.framework.io.IOException2;

public class CmakeBuilderImpl {

	private static final String DCMAKE_BUILD_TYPE = "-DCMAKE_BUILD_TYPE=";
	private static final String DCMAKE_INSTALL_PREFIX = "-DCMAKE_INSTALL_PREFIX=";
	private static final String BLANK = " ";

	public enum PreparePathOptions
	{
		CHECK_PATH_EXISTS() {
			@Override
			public void process(FilePath file) throws IOException {
				try {
					if (!file.exists()) {
						throw new FileNotFoundException(file.getRemote());
					}
				} catch (InterruptedException e) {
					// ignore
				}
			}
		},
		
		CREATE_IF_NOT_EXISTING() {
			@Override
			public void process(FilePath file) throws IOException {
				try {
					if (!file.exists()) {
						file.mkdirs();
					}
				} catch (InterruptedException e) {
					// ignore
				}
			}
		},
		
		CREATE_NEW_IF_EXISTS() {
			@Override
			public void process(FilePath file) throws IOException {
				try {
					if (file.exists()) {
						if (file.isDirectory()) {
							file.deleteRecursive();
						}
					}
				} catch (InterruptedException e) {
					// ignore
				}
				CREATE_IF_NOT_EXISTING.process(file);				
			}			
		};
		
		public abstract void process(FilePath file) throws IOException;
	};
	
	public CmakeBuilderImpl() {
		super();
	}
	
	String preparePath(FilePath workSpace, Map<String, String> envVars, String path, PreparePathOptions ppOption) throws IOException {
		path = path.trim();
		if (path.isEmpty()) {
			return path;
		}
    	Set<String> keys = envVars.keySet();
    	for (String key : keys) {
    		path   = path.replaceAll("\\$" + key, envVars.get(key));
    	}

    	FilePath file = workSpace.child(path);
    	ppOption.process(file);
    	return file.getRemote();
	}
	
	String buildCMakeCall(final String cmakeBin, 
			final String generator,
			final String preloadScript,
			final String sourceDir, 
			final String installDir, 
			final String buildType, 
			final String cmakeArgs) {
		StringBuilder builder = new StringBuilder().append(cmakeBin).append(BLANK)
			.append(createPreloadScriptArg(preloadScript)).append(BLANK)
			.append("-G \"").append(generator).append("\"").append(BLANK);
		if (!installDir.isEmpty()) {
			builder.append(DCMAKE_INSTALL_PREFIX).append(installDir).append(BLANK);
		}
		builder.append(DCMAKE_BUILD_TYPE).append(buildType).append(BLANK)
			.append(cmakeArgs).append(BLANK)
			.append("\"").append(sourceDir).append("\"").append(BLANK);
		return builder.toString();
		
	}
	
	private String createPreloadScriptArg(final String preloadScript) {
		if (preloadScript == null || preloadScript.trim().isEmpty()) {
			return "";
		}
		return " -C \"" + preloadScript.trim() + "\"";
	}
}