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1974 jgill 1 
/**
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 * AntShield - A project release tool for ant.
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 */
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package com.erggroup.mass.ant;
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import org.apache.tools.ant.BuildException;
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import org.apache.tools.ant.Project;
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import org.apache.tools.ant.types.FileList;
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import org.apache.tools.ant.types.FileSet;
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import org.apache.tools.ant.types.DirSet;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.TreeSet;
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/**
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 * Implements the AntShield task's nested field tag.
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 */
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public class FieldElement
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{
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    private AntShield parent = null;
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    private Project project = null;
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    private String name = null;
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    private String prompt = null;
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    private String defaultValue = null;
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    private String value = null;
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    private ArrayList options = new ArrayList();
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    private ArrayList filelist = new ArrayList();
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    private TreeSet fileset = new TreeSet();
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    private TreeSet dirset = new TreeSet();
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    /**
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     * Constructor.
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     * @param a
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     */
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    public FieldElement(AntShield a, Project p)
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    {
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        parent = a;
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        project = p;
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    }
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    /**
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     * Set the name property.
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     * @param s
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     */
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    public void setName(String s)
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    {
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        name = s;
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    }
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    /**
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     * Set the prompt property.
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     * @param s
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     */
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    public void setPrompt(String s)
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    {
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        prompt = s;
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    }
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    /**
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     * Set the defaultValue property.
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     * @param s
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     */
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    public void setDefaultValue(String s)
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    {
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        defaultValue = project.replaceProperties( s );
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    }
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    /**
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     * Set the value property -  internal use only.
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     * @param s
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     */
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    public void setValue(String s)
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    {
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        value = s;
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    }
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    /**
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     * Create, store and return an option nested tag.
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     * @return
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     */
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    public OptionElement createOption()
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    {
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        OptionElement option = new OptionElement(this);
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        options.add(option);
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        return option;
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    }
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    /**
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     * Adds a fileset nested tag.
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     * @return
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     */
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    public void addConfiguredFilelist(FileList list)
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    {
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        String[] files = list.getFiles(project);
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        for (int i = 0; i < files.length; i++)
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        {
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            filelist.add(new String(files[i]));
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        }
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    }
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    /**
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     * Adds a fileset nested tag.
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     * @return
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     */
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    public void addConfiguredFileset(FileSet set)
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    {
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        String[] files = set.getDirectoryScanner(project).getIncludedFiles();
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        for (int i = 0; i < files.length; i++)
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        {
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            fileset.add(new String(files[i]));
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        }
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    }
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    /**
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     * Adds a dirset nested tag.
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     * @return
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     */
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    public void addConfiguredDirset(DirSet set)
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    {
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        String[] dirs = set.getDirectoryScanner(project).getIncludedDirectories();
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        for (int i = 0; i < dirs.length; i++)
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        {
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            dirset.add(new String(dirs[i]));
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        }
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    }
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    /**
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     * Return this field's name.
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     * @return
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     */
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	public String getName()
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    {
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        return name;
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    }
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    /**
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     * Return this field's prompt.
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     * @return
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     */
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    public String getPrompt()
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    {
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        return prompt;
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    }
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    /**
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     * Return this field's default value.
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     * @return
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     */
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    public String getDefaultValue()
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    {
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        return defaultValue;
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    }
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    /**
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     * Return this field's value.
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     * @return
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     */
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    public String getValue()
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    {
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        return value;
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    }
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    /**
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     * Return this field's nested options.
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     * @return
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     */
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    public TreeSet getOptions()
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    {
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        TreeSet optionset = new TreeSet();
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        Iterator i;
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        //add options
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        i = options.iterator();
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        while (i.hasNext())
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        {
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            OptionElement o = (OptionElement)i.next();
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            optionset.add(o.getValue());
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        }
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        //add filelists
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        i = filelist.iterator();
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        while (i.hasNext())
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        {
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            optionset.add(i.next());
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        }
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        //add filesets
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        i = fileset.iterator();
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        while (i.hasNext())
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        {
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            optionset.add(i.next());
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        }
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        //add dirsets
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        i = dirset.iterator();
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        while (i.hasNext())
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        {
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            optionset.add(i.next());
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        }
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        return optionset;
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    }
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    /**
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     * Get the task name from the parent.
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     * @return
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     */
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    public String getTaskName()
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    {
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        return parent.getTaskName();
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    }
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    /**
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     * Check the parameters of this field, and all nested options and paths.
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     */
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    public void check()
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    {
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        if ((name == null) || (name.length() == 0) || (prompt == null) || (prompt.length() == 0))
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        {
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            throw new BuildException("<" + parent.getTaskName() + "> Invalid field specification");
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        }
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        Iterator i = options.iterator();
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        while (i.hasNext())
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        {
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            OptionElement o = (OptionElement)i.next();
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            o.check();
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        }
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    }
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}