com.opengamma.web.analytics.formatting.LabelledMatrix1DFormatter.java Source code

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Here is the source code for com.opengamma.web.analytics.formatting.LabelledMatrix1DFormatter.java

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/**
 * Copyright (C) 2012 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.web.analytics.formatting;

import java.util.List;
import java.util.Map;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.opengamma.engine.value.ValueSpecification;
import com.opengamma.financial.analytics.LabelledMatrix1D;
import com.opengamma.id.ExternalId;
import com.opengamma.util.ArgumentChecker;

/**
 * Formatter.
 */
@SuppressWarnings("rawtypes")
/* package */ class LabelledMatrix1DFormatter extends AbstractFormatter<LabelledMatrix1D> {

    private static final String DATA = "data";
    private static final String LABELS = "labels";
    private static final String LABEL = "Label";
    private static final String VALUE = "Value";

    private final DoubleFormatter _doubleFormatter;

    LabelledMatrix1DFormatter(DoubleFormatter doubleFormatter) {
        super(LabelledMatrix1D.class);
        ArgumentChecker.notNull(doubleFormatter, "doubleFormatter");
        _doubleFormatter = doubleFormatter;
        addFormatter(new Formatter<LabelledMatrix1D>(Format.EXPANDED) {
            @Override
            Object format(LabelledMatrix1D value, ValueSpecification valueSpec, Object inlineKey) {
                return formatExpanded(value, valueSpec);
            }
        });
    }

    @Override
    public String formatCell(LabelledMatrix1D value, ValueSpecification valueSpec, Object inlineKey) {
        return "Vector (" + value.getKeys().length + ")";
    }

    private Map<String, Object> formatExpanded(LabelledMatrix1D value, ValueSpecification valueSpec) {
        Map<String, Object> resultsMap = Maps.newHashMap();
        int length = value.getKeys().length;
        List<List<String>> results = Lists.newArrayListWithCapacity(length);
        for (int i = 0; i < length; i++) {
            Object labelObject = value.getLabels()[i];
            String label = labelObject instanceof ExternalId ? ((ExternalId) labelObject).getValue()
                    : labelObject.toString();
            String formattedValue = _doubleFormatter.formatCell(value.getValues()[i], valueSpec, null);
            List<String> rowResults = ImmutableList.of(label, formattedValue);
            results.add(rowResults);
        }
        resultsMap.put(DATA, results);
        String labelsTitle = value.getLabelsTitle() != null ? value.getLabelsTitle() : LABEL;
        String valuesTitle = value.getValuesTitle() != null ? value.getValuesTitle() : VALUE;
        resultsMap.put(LABELS, ImmutableList.of(labelsTitle, valuesTitle));
        return resultsMap;
    }

    @Override
    public DataType getDataType() {
        return DataType.LABELLED_MATRIX_1D;
    }
}