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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.codehaus.mojo.jspc.compiler.tomcat6;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.apache.jasper.JspC;
import org.codehaus.mojo.jspc.compiler.JspCompiler;

/**
 * JSP compiler for Tomcat 6.
 *
 * @version $Id$
 */
public class JspCompilerImpl implements JspCompiler {
    private final JspC jspc;
    private boolean showSuccess = false;
    private boolean listErrors = false;
    
    public JspCompilerImpl() {
        jspc = new JspC();
        jspc.setFailOnError(true);
    }

    public void setWebappDirectory(String webappDir) {
        jspc.setUriroot(webappDir);
    }

    public void setOutputDirectory(File outputDirectory) {
        jspc.setOutputDir(outputDirectory.getAbsolutePath());
    }

    public void setEncoding(String encoding) {
        jspc.setJavaEncoding(encoding);
    }

    public void setShowSuccess(boolean showSuccess) {
        this.showSuccess = showSuccess;
    }

    public void setListErrors(boolean listErrors) {
        this.listErrors = listErrors;
    }

    public void setWebFragmentFile(File webFragmentFile) {
        jspc.setWebXmlFragment(webFragmentFile.getAbsolutePath());
    }

    public void setPackageName(String packageName) {
        jspc.setPackage(packageName);
    }

    public void setClasspath(Iterable classpathElements) {
        final String classpath = StringUtils.join(classpathElements.iterator(), File.pathSeparator);
        jspc.setClassPath(classpath);
    }

    public void setSmapDumped(final boolean smapDumped) {
        jspc.setSmapDumped(smapDumped);
    }

    public void setSmapSuppressed(final boolean smapSuppressed) {
        jspc.setSmapSuppressed(smapSuppressed);
    }

    public void setCompile(final boolean compile) {
        jspc.setCompile(compile);
    }

    public void setValidateXml(final boolean validateXml) {
        jspc.setValidateXml(validateXml);
    }

    public void setTrimSpaces(final boolean trimSpaces) {
        jspc.setTrimSpaces(trimSpaces);
    }

    public void setErrorOnUseBeanInvalidClassAttribute(boolean error) {
        jspc.setErrorOnUseBeanInvalidClassAttribute(error);
    }

    public void setVerbose(final int verbose) {
        jspc.setVerbose(verbose);
    }

    public void setCompilerSourceVM(final String source) {
        jspc.setCompilerSourceVM(source);
    }

    public void setCompilerTargetVM(final String target) {
        jspc.setCompilerTargetVM(target);
    }

    public void compile(Iterable jspFiles) throws Exception {
        final List args = new ArrayList();
        
        if (showSuccess) {
            args.add("-s");
        }
        
        if (listErrors) {
            args.add("-l");
        }
        
        for (final File jspFile : jspFiles) {
            args.add(jspFile.getAbsolutePath());
        }
        
        jspc.setArgs(args.toArray(new String[args.size()]));

        jspc.execute();
    }
}