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package org.webmacro.engine; |
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import org.webmacro.Context; |
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import org.webmacro.FastWriter; |
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import org.webmacro.Macro; |
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import org.webmacro.PropertyException; |
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import java.io.IOException; |
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import java.util.Vector; |
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| 42 | 2132 | public final class ListBuilder extends Vector implements Builder |
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{ |
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private static final long serialVersionUID = 1L; |
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public final Object[] buildAsArray (BuildContext bc) throws BuildException |
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{ |
| 52 | 2128 | Object c[] = new Object[size()]; |
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| 54 | 3944 | for (int i = 0; i < c.length; i++) |
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{ |
| 56 | 1816 | Object elem = elementAt(i); |
| 57 | 1816 | c[i] = (elem instanceof Builder) ? |
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((Builder) elem).build(bc) : elem; |
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} |
| 60 | 2128 | return c; |
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} |
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public final Object build (BuildContext bc) throws BuildException |
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{ |
| 65 | 2128 | boolean isMacro = false; |
| 66 | 2128 | Object[] c = buildAsArray(bc); |
| 67 | 3944 | for (int i = 0; i < c.length; i++) |
| 68 | 1816 | if (c[i] instanceof Macro) |
| 69 | 1664 | isMacro = true; |
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| 71 | 2128 | return (isMacro) ? (Object) new ListMacro(c) : c; |
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} |
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} |
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class ListMacro implements Macro |
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{ |
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final private Object[] _content; |
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ListMacro (Object[] content) |
| 90 | 1588 | { |
| 91 | 1588 | _content = content; |
| 92 | 1588 | } |
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public void write (FastWriter out, Context context) |
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throws PropertyException, IOException |
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{ |
| 97 | 0 | out.write(evaluate(context).toString()); |
| 98 | 0 | } |
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public String toString () |
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{ |
| 102 | 2 | StringBuffer sb = new StringBuffer(); |
| 103 | 2 | sb.append("("); |
| 104 | 4 | for (int i = 0; i < _content.length; i++) |
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{ |
| 106 | 2 | if (i != 0) |
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{ |
| 108 | 0 | sb.append(", "); |
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} |
| 110 | 2 | sb.append(_content[i] == null ? "null" : _content[i].toString()); |
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} |
| 112 | 2 | sb.append(")"); |
| 113 | 2 | return sb.toString(); |
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} |
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public Object evaluate (Context context) |
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throws PropertyException |
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{ |
| 119 | 42696 | Object[] ret = new Object[_content.length]; |
| 120 | 95962 | for (int i = 0; i < _content.length; i++) |
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{ |
| 122 | 53286 | Object m = _content[i]; |
| 123 | 53286 | if (m instanceof Macro) |
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{ |
| 125 | 48010 | m = ((Macro) m).evaluate(context); |
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} |
| 127 | 53266 | ret[i] = m; |
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} |
| 129 | 42676 | return ret; |
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} |
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} |