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

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Here is the source code for com.opengamma.web.analytics.formatting.SnapshotDataBundleFormatter.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.core.id.ExternalIdOrderConfig;
import com.opengamma.core.marketdatasnapshot.SnapshotDataBundle;
import com.opengamma.engine.value.ValueSpecification;
import com.opengamma.id.ExternalId;
import com.opengamma.id.ExternalIdBundle;
import com.opengamma.util.ArgumentChecker;

/* package */class SnapshotDataBundleFormatter extends AbstractFormatter<SnapshotDataBundle> {

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

    private final ExternalIdOrderConfig _orderConfig;
    private final DoubleFormatter _doubleFormatter;

    /* package */ SnapshotDataBundleFormatter(final DoubleFormatter doubleFormatter) {
        this(ExternalIdOrderConfig.DEFAULT_CONFIG, doubleFormatter);
    }

    /* package */ SnapshotDataBundleFormatter(final ExternalIdOrderConfig config,
            final DoubleFormatter doubleFormatter) {
        super(SnapshotDataBundle.class);
        ArgumentChecker.notNull(config, "config");
        ArgumentChecker.notNull(doubleFormatter, "doubleFormatter");
        _orderConfig = config;
        _doubleFormatter = doubleFormatter;
        addFormatter(new Formatter<SnapshotDataBundle>(Format.EXPANDED) {
            @Override
            Map<String, Object> format(final SnapshotDataBundle value, final ValueSpecification valueSpec,
                    Object inlineKey) {
                return formatExpanded(value, valueSpec);
            }
        });
    }

    @Override
    public String formatCell(final SnapshotDataBundle bundle, final ValueSpecification valueSpec,
            Object inlineKey) {
        return "Data Bundle (" + bundle.size() + " points)";
    }

    private Map<String, Object> formatExpanded(final SnapshotDataBundle bundle,
            final ValueSpecification valueSpec) {
        final List<List<String>> results = Lists.newArrayListWithCapacity(bundle.size());
        final Map<String, Object> resultsMap = Maps.newHashMap();
        for (final Map.Entry<ExternalIdBundle, Double> entry : bundle.getDataPointSet()) {
            final ExternalId id = _orderConfig.getPreferred(entry.getKey());
            final String idStr = (id != null) ? id.toString() : "";
            final String formattedValue = _doubleFormatter.formatCell(entry.getValue(), valueSpec, null);
            results.add(ImmutableList.of(idStr, formattedValue));
        }
        resultsMap.put(DATA, results);
        resultsMap.put(LABELS, ImmutableList.of(ID, VALUE));
        return resultsMap;
    }

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