/src/main/java/com/googlecode/charts4j/parameters/LineChartLineStylesParameter.java
http://charts4j.googlecode.com/ · Java · 103 lines · 34 code · 13 blank · 56 comment · 1 complexity · 322948170e947e3a8947ace439634e7b MD5 · raw file
- /**
- *
- * The MIT License
- *
- * Copyright (c) 2011 the original author or authors.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
- package com.googlecode.charts4j.parameters;
- import java.util.List;
- import com.googlecode.charts4j.LineStyle;
- import com.googlecode.charts4j.collect.Lists;
- /**
- * Class for building line style parameter string for the Google Chart API.
- *
- * @author Julien Chastang (julien.c.chastang at gmail dot com)
- */
- final class LineChartLineStylesParameter extends AbstractParameter {
- /** The Google Chart API line style parameter. */
- private static final String URL_PARAMETER_KEY = "chls";
- /** The line styles. */
- private final List<LineStyleWrapper> lineStyles = Lists.newLinkedList();
- /**
- * Add a line style.
- *
- * @param lineStyle
- * the line style
- */
- void addLineStyle(final LineStyle lineStyle) {
- this.lineStyles.add(new LineStyleWrapper(lineStyle));
- }
- /**
- * {@inheritDoc}
- */
- @Override
- public String getKey() {
- return URL_PARAMETER_KEY;
- }
- /**
- * {@inheritDoc}
- */
- @Override
- public String getValue() {
- final StringBuilder sb = new StringBuilder();
- int cnt = 0;
- for (LineStyleWrapper l : lineStyles) {
- sb.append(cnt++ > 0 ? "|" : "").append(l);
- }
- return !lineStyles.isEmpty() ? sb.toString() : "";
- }
- /**
- * The LineStyleWrapper.
- */
- private static final class LineStyleWrapper {
- /** The line style. */
- private final LineStyle lineStyle;
- /**
- * Instantiates a new line style wrapper.
- *
- * @param lineStyle
- * the line style
- */
- LineStyleWrapper(final LineStyle lineStyle) {
- this.lineStyle = lineStyle;
- }
- /**
- * {@inheritDoc}
- */
- @Override
- public String toString() {
- return lineStyle.getLineThickness() + "," + lineStyle.getLengthOfLineSegment() + "," + lineStyle.getLengthOfBlankSegment();
- }
- }
- }