Java tutorial
/* * Copyright 2012 brands4friends, Private Sale GmbH * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package de.brands4friends.daleq.core; import java.util.Arrays; import javax.annotation.Nullable; import com.google.common.base.Function; import com.google.common.collect.Lists; public class StructureBuilder { public static final class PropertyContainerBean { private final FieldDef fieldDef; private final String value; private PropertyContainerBean(final FieldDef fieldDef, final String value) { this.fieldDef = fieldDef; this.value = value; } } private final TableType tableType; public StructureBuilder(final TableType tableType) { this.tableType = tableType; } public TableData table(final RowData... rows) { return new ImmutableTableData(tableType, Arrays.asList(rows)); } public RowData row(final PropertyContainerBean... props) { return new ImmutableRowData( Lists.transform(Arrays.asList(props), new Function<PropertyContainerBean, FieldData>() { @Override public FieldData apply(@Nullable final PropertyContainerBean input) { if (input == null) { throw new IllegalArgumentException("input"); } final FieldType fieldType = tableType.findFieldBy(input.fieldDef); return new ImmutableFieldData(fieldType.getName(), input.value); } })); } @SuppressWarnings("PMD.AccessorClassGeneration") // its the intention of this test helper to act like a factory. // if this method would be static, it would also be awkward. public PropertyContainerBean field(final FieldDef fieldDef, final String value) { return new PropertyContainerBean(fieldDef, value); } }