Java tutorial
/** * Copyright (C) 2012 - present by OpenGamma Inc. and the OpenGamma group of companies * * Please see distribution for license. */ package com.opengamma.web.server.push.analytics.formatting; import java.util.List; import com.google.common.collect.ImmutableList; import com.google.common.collect.Lists; import com.opengamma.engine.value.ValueSpecification; import com.opengamma.financial.analytics.LabelledMatrix1D; import com.opengamma.id.ExternalId; import com.opengamma.util.ArgumentChecker; /** * */ /* package */ class LabelledMatrix1DFormatter extends NoHistoryFormatter<LabelledMatrix1D> { private final DoubleFormatter _doubleFormatter; LabelledMatrix1DFormatter(DoubleFormatter doubleFormatter) { ArgumentChecker.notNull(doubleFormatter, "doubleFormatter"); _doubleFormatter = doubleFormatter; } @Override public String formatForDisplay(LabelledMatrix1D value, ValueSpecification valueSpec) { return "Vector (" + value.getKeys().length + ")"; } @Override public List<List<String>> formatForExpandedDisplay(LabelledMatrix1D value, ValueSpecification valueSpec) { 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.formatForDisplay(value.getValues()[i], valueSpec); List<String> rowResults = ImmutableList.of(label, formattedValue); results.add(rowResults); } return results; } @Override public FormatType getFormatType() { return FormatType.LABELLED_MATRIX_1D; } }