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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span>// $Id: TraditionalCellSetFormatter.java 482 2012-01-05 23:27:27Z jhyde $<a name="line.2"></a>
<span class="sourceLineNo">003</span>//<a name="line.3"></a>
<span class="sourceLineNo">004</span>// Licensed to Julian Hyde under one or more contributor license<a name="line.4"></a>
<span class="sourceLineNo">005</span>// agreements. See the NOTICE file distributed with this work for<a name="line.5"></a>
<span class="sourceLineNo">006</span>// additional information regarding copyright ownership.<a name="line.6"></a>
<span class="sourceLineNo">007</span>//<a name="line.7"></a>
<span class="sourceLineNo">008</span>// Julian Hyde licenses this file to you under the Apache License,<a name="line.8"></a>
<span class="sourceLineNo">009</span>// Version 2.0 (the "License"); you may not use this file except in<a name="line.9"></a>
<span class="sourceLineNo">010</span>// compliance with the License. You may obtain a copy of the License at:<a name="line.10"></a>
<span class="sourceLineNo">011</span>//<a name="line.11"></a>
<span class="sourceLineNo">012</span>// http://www.apache.org/licenses/LICENSE-2.0<a name="line.12"></a>
<span class="sourceLineNo">013</span>//<a name="line.13"></a>
<span class="sourceLineNo">014</span>// Unless required by applicable law or agreed to in writing, software<a name="line.14"></a>
<span class="sourceLineNo">015</span>// distributed under the License is distributed on an "AS IS" BASIS,<a name="line.15"></a>
<span class="sourceLineNo">016</span>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.16"></a>
<span class="sourceLineNo">017</span>// See the License for the specific language governing permissions and<a name="line.17"></a>
<span class="sourceLineNo">018</span>// limitations under the License.<a name="line.18"></a>
<span class="sourceLineNo">019</span>*/<a name="line.19"></a>
<span class="sourceLineNo">020</span>package org.olap4j.layout;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>import org.olap4j.*;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.olap4j.metadata.Member;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.io.PrintWriter;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.ArrayList;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a>
<span class="sourceLineNo">028</span><a name="line.28"></a>
<span class="sourceLineNo">029</span>/**<a name="line.29"></a>
<span class="sourceLineNo">030</span> * Formatter that can convert a {@link CellSet} into Mondrian's traditional<a name="line.30"></a>
<span class="sourceLineNo">031</span> * layout.<a name="line.31"></a>
<span class="sourceLineNo">032</span> *<a name="line.32"></a>
<span class="sourceLineNo">033</span> * <p><b>This class is experimental. It is not part of the olap4j<a name="line.33"></a>
<span class="sourceLineNo">034</span> * specification and is subject to change without notice.</b></p><a name="line.34"></a>
<span class="sourceLineNo">035</span> *<a name="line.35"></a>
<span class="sourceLineNo">036</span> * @author jhyde<a name="line.36"></a>
<span class="sourceLineNo">037</span> * @version $Id: TraditionalCellSetFormatter.java 482 2012-01-05 23:27:27Z jhyde $<a name="line.37"></a>
<span class="sourceLineNo">038</span> * @since Apr 15, 2009<a name="line.38"></a>
<span class="sourceLineNo">039</span> */<a name="line.39"></a>
<span class="sourceLineNo">040</span>public class TraditionalCellSetFormatter implements CellSetFormatter {<a name="line.40"></a>
<span class="sourceLineNo">041</span> public void format(<a name="line.41"></a>
<span class="sourceLineNo">042</span> CellSet cellSet,<a name="line.42"></a>
<span class="sourceLineNo">043</span> PrintWriter pw)<a name="line.43"></a>
<span class="sourceLineNo">044</span> {<a name="line.44"></a>
<span class="sourceLineNo">045</span> print(cellSet, pw);<a name="line.45"></a>
<span class="sourceLineNo">046</span> }<a name="line.46"></a>
<span class="sourceLineNo">047</span><a name="line.47"></a>
<span class="sourceLineNo">048</span> /**<a name="line.48"></a>
<span class="sourceLineNo">049</span> * Prints a cell set.<a name="line.49"></a>
<span class="sourceLineNo">050</span> *<a name="line.50"></a>
<span class="sourceLineNo">051</span> * @param cellSet Cell set<a name="line.51"></a>
<span class="sourceLineNo">052</span> * @param pw Writer<a name="line.52"></a>
<span class="sourceLineNo">053</span> */<a name="line.53"></a>
<span class="sourceLineNo">054</span> private static void print(CellSet cellSet, PrintWriter pw) {<a name="line.54"></a>
<span class="sourceLineNo">055</span> pw.println("Axis #0:");<a name="line.55"></a>
<span class="sourceLineNo">056</span> printAxis(pw, cellSet.getFilterAxis());<a name="line.56"></a>
<span class="sourceLineNo">057</span> final List<CellSetAxis> axes = cellSet.getAxes();<a name="line.57"></a>
<span class="sourceLineNo">058</span> final int axisCount = axes.size();<a name="line.58"></a>
<span class="sourceLineNo">059</span> for (int i = 0; i < axisCount; i++) {<a name="line.59"></a>
<span class="sourceLineNo">060</span> CellSetAxis axis = axes.get(i);<a name="line.60"></a>
<span class="sourceLineNo">061</span> pw.println("Axis #" + (i + 1) + ":");<a name="line.61"></a>
<span class="sourceLineNo">062</span> printAxis(pw, axis);<a name="line.62"></a>
<span class="sourceLineNo">063</span> }<a name="line.63"></a>
<span class="sourceLineNo">064</span> // Usually there are 3 axes: {filter, columns, rows}. Position is a<a name="line.64"></a>
<span class="sourceLineNo">065</span> // {column, row} pair. We call printRows with axis=2. When it<a name="line.65"></a>
<span class="sourceLineNo">066</span> // recurses to axis=-1, it prints.<a name="line.66"></a>
<span class="sourceLineNo">067</span> List<Integer> pos = new ArrayList<Integer>(axisCount);<a name="line.67"></a>
<span class="sourceLineNo">068</span> for (int i = 0; i < axisCount; i++) {<a name="line.68"></a>
<span class="sourceLineNo">069</span> pos.add(-1);<a name="line.69"></a>
<span class="sourceLineNo">070</span> }<a name="line.70"></a>
<span class="sourceLineNo">071</span> if (axisCount == 0) {<a name="line.71"></a>
<span class="sourceLineNo">072</span> printCell(cellSet, pw, pos);<a name="line.72"></a>
<span class="sourceLineNo">073</span> } else {<a name="line.73"></a>
<span class="sourceLineNo">074</span> printRows(cellSet, pw, axisCount - 1, pos);<a name="line.74"></a>
<span class="sourceLineNo">075</span> }<a name="line.75"></a>
<span class="sourceLineNo">076</span> }<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
<span class="sourceLineNo">078</span> /**<a name="line.78"></a>
<span class="sourceLineNo">079</span> * Prints the rows of cell set.<a name="line.79"></a>
<span class="sourceLineNo">080</span> *<a name="line.80"></a>
<span class="sourceLineNo">081</span> * @param cellSet Cell set<a name="line.81"></a>
<span class="sourceLineNo">082</span> * @param pw Writer<a name="line.82"></a>
<span class="sourceLineNo">083</span> * @param axis Axis ordinal<a name="line.83"></a>
<span class="sourceLineNo">084</span> * @param pos Partial coordinate<a name="line.84"></a>
<span class="sourceLineNo">085</span> */<a name="line.85"></a>
<span class="sourceLineNo">086</span> private static void printRows(<a name="line.86"></a>
<span class="sourceLineNo">087</span> CellSet cellSet, PrintWriter pw, int axis, List<Integer> pos)<a name="line.87"></a>
<span class="sourceLineNo">088</span> {<a name="line.88"></a>
<span class="sourceLineNo">089</span> final CellSetAxis _axis = cellSet.getAxes().get(axis);<a name="line.89"></a>
<span class="sourceLineNo">090</span> final List<Position> positions = _axis.getPositions();<a name="line.90"></a>
<span class="sourceLineNo">091</span> final int positionCount = positions.size();<a name="line.91"></a>
<span class="sourceLineNo">092</span> for (int i = 0; i < positionCount; i++) {<a name="line.92"></a>
<span class="sourceLineNo">093</span> pos.set(axis, i);<a name="line.93"></a>
<span class="sourceLineNo">094</span> if (axis == 0) {<a name="line.94"></a>
<span class="sourceLineNo">095</span> int row =<a name="line.95"></a>
<span class="sourceLineNo">096</span> axis + 1 < pos.size()<a name="line.96"></a>
<span class="sourceLineNo">097</span> ? pos.get(axis + 1)<a name="line.97"></a>
<span class="sourceLineNo">098</span> : 0;<a name="line.98"></a>
<span class="sourceLineNo">099</span> pw.print("Row #" + row + ": ");<a name="line.99"></a>
<span class="sourceLineNo">100</span> printCell(cellSet, pw, pos);<a name="line.100"></a>
<span class="sourceLineNo">101</span> pw.println();<a name="line.101"></a>
<span class="sourceLineNo">102</span> } else {<a name="line.102"></a>
<span class="sourceLineNo">103</span> printRows(cellSet, pw, axis - 1, pos);<a name="line.103"></a>
<span class="sourceLineNo">104</span> }<a name="line.104"></a>
<span class="sourceLineNo">105</span> }<a name="line.105"></a>
<span class="sourceLineNo">106</span> }<a name="line.106"></a>
<span class="sourceLineNo">107</span><a name="line.107"></a>
<span class="sourceLineNo">108</span> /**<a name="line.108"></a>
<span class="sourceLineNo">109</span> * Prints an axis and its members.<a name="line.109"></a>
<span class="sourceLineNo">110</span> *<a name="line.110"></a>
<span class="sourceLineNo">111</span> * @param pw Print writer<a name="line.111"></a>
<span class="sourceLineNo">112</span> * @param axis Axis<a name="line.112"></a>
<span class="sourceLineNo">113</span> */<a name="line.113"></a>
<span class="sourceLineNo">114</span> private static void printAxis(PrintWriter pw, CellSetAxis axis) {<a name="line.114"></a>
<span class="sourceLineNo">115</span> List<Position> positions = axis.getPositions();<a name="line.115"></a>
<span class="sourceLineNo">116</span> for (Position position : positions) {<a name="line.116"></a>
<span class="sourceLineNo">117</span> boolean firstTime = true;<a name="line.117"></a>
<span class="sourceLineNo">118</span> pw.print("{");<a name="line.118"></a>
<span class="sourceLineNo">119</span> for (Member member : position.getMembers()) {<a name="line.119"></a>
<span class="sourceLineNo">120</span> if (! firstTime) {<a name="line.120"></a>
<span class="sourceLineNo">121</span> pw.print(", ");<a name="line.121"></a>
<span class="sourceLineNo">122</span> }<a name="line.122"></a>
<span class="sourceLineNo">123</span> pw.print(member.getUniqueName());<a name="line.123"></a>
<span class="sourceLineNo">124</span> firstTime = false;<a name="line.124"></a>
<span class="sourceLineNo">125</span> }<a name="line.125"></a>
<span class="sourceLineNo">126</span> pw.println("}");<a name="line.126"></a>
<span class="sourceLineNo">127</span> }<a name="line.127"></a>
<span class="sourceLineNo">128</span> }<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span> /**<a name="line.130"></a>
<span class="sourceLineNo">131</span> * Prints the formatted value of a Cell at a given position.<a name="line.131"></a>
<span class="sourceLineNo">132</span> *<a name="line.132"></a>
<span class="sourceLineNo">133</span> * @param cellSet Cell set<a name="line.133"></a>
<span class="sourceLineNo">134</span> * @param pw Print writer<a name="line.134"></a>
<span class="sourceLineNo">135</span> * @param pos Cell coordinates<a name="line.135"></a>
<span class="sourceLineNo">136</span> */<a name="line.136"></a>
<span class="sourceLineNo">137</span> private static void printCell(<a name="line.137"></a>
<span class="sourceLineNo">138</span> CellSet cellSet, PrintWriter pw, List<Integer> pos)<a name="line.138"></a>
<span class="sourceLineNo">139</span> {<a name="line.139"></a>
<span class="sourceLineNo">140</span> Cell cell = cellSet.getCell(pos);<a name="line.140"></a>
<span class="sourceLineNo">141</span> pw.print(cell.getFormattedValue());<a name="line.141"></a>
<span class="sourceLineNo">142</span> }<a name="line.142"></a>
<span class="sourceLineNo">143</span>}<a name="line.143"></a>
<span class="sourceLineNo">144</span><a name="line.144"></a>
<span class="sourceLineNo">145</span>// End TraditionalCellSetFormatter.java<a name="line.145"></a>
</pre>
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