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package org.apache.tapestry.contrib.table.model.simple; |
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import java.util.StringTokenizer; |
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import org.apache.hivemind.ApplicationRuntimeException; |
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import org.apache.tapestry.contrib.table.components.TableMessages; |
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import org.apache.tapestry.services.DataSqueezer; |
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import org.apache.tapestry.util.io.SqueezeAdaptor; |
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public class SimpleTableStateAdaptor implements SqueezeAdaptor |
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{ |
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private static final String PREFIX = "t"; |
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public String getPrefix() |
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{ |
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return PREFIX; |
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} |
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public Class getDataClass() |
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{ |
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return SimpleTableState.class; |
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} |
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public String squeeze(DataSqueezer squeezer, Object data) |
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{ |
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SimpleTableState objState = (SimpleTableState) data; |
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StringBuffer buf = new StringBuffer(); |
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buf.append(objState.getPagingState().getPageSize()); |
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buf.append(":"); |
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buf.append(objState.getPagingState().getCurrentPage()); |
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buf.append(":"); |
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String strSortColumn = objState.getSortingState().getSortColumn(); |
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if (strSortColumn == null) |
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strSortColumn = ""; |
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buf.append(strSortColumn); |
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buf.append(":"); |
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buf.append(objState.getSortingState().getSortOrder() ? 'T' : 'F'); |
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return buf.toString(); |
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} |
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public Object unsqueeze(DataSqueezer squeezer, String string) |
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{ |
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StringTokenizer strTok = new StringTokenizer(string, ":"); |
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if (strTok.countTokens() != 4) |
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throw new ApplicationRuntimeException(TableMessages.invalidTableStateFormat(string)); |
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int nPageSize = Integer.parseInt(strTok.nextToken()); |
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int nCurrentPage = Integer.parseInt(strTok.nextToken()); |
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String strSortColumn = strTok.nextToken(); |
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if (strSortColumn.equals("")) |
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strSortColumn = null; |
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boolean bSortOrder = strTok.nextToken().equals("T"); |
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return new SimpleTableState(nPageSize, nCurrentPage, strSortColumn, bSortOrder); |
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} |
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} |