org.yaml.snakeyaml.DumperOptions Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of snakeyaml Show documentation
Show all versions of snakeyaml Show documentation
YAML 1.1 parser and emitter for Java
/**
* Copyright (c) 2008, http://www.snakeyaml.org
*
* 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 org.yaml.snakeyaml;
import java.util.Map;
import java.util.TimeZone;
import org.yaml.snakeyaml.emitter.Emitter;
import org.yaml.snakeyaml.error.YAMLException;
import org.yaml.snakeyaml.serializer.AnchorGenerator;
import org.yaml.snakeyaml.serializer.NumberAnchorGenerator;
public class DumperOptions {
/**
* YAML provides a rich set of scalar styles. Block scalar styles include
* the literal style and the folded style; flow scalar styles include the
* plain style and two quoted styles, the single-quoted style and the
* double-quoted style. These styles offer a range of trade-offs between
* expressive power and readability.
*
* @see Chapter 9. Scalar
* Styles
* @see 2.3. Scalars
*/
public enum ScalarStyle {
DOUBLE_QUOTED('"'), SINGLE_QUOTED('\''), LITERAL(
'|'), FOLDED('>'), PLAIN(null);
private Character styleChar;
private ScalarStyle(Character style) {
this.styleChar = style;
}
public Character getChar() {
return styleChar;
}
@Override
public String toString() {
return "Scalar style: '" + styleChar + "'";
}
public static ScalarStyle createStyle(Character style) {
if (style == null) {
return PLAIN;
} else {
switch (style) {
case '"':
return DOUBLE_QUOTED;
case '\'':
return SINGLE_QUOTED;
case '|':
return LITERAL;
case '>':
return FOLDED;
default:
throw new YAMLException("Unknown scalar style character: " + style);
}
}
}
}
/**
* Block styles use indentation to denote nesting and scope within the
* document. In contrast, flow styles rely on explicit indicators to denote
* nesting and scope.
*
* @see 3.2.3.1.
* Node Styles (http://yaml.org/spec/1.1)
*/
public enum FlowStyle {
FLOW(Boolean.TRUE), BLOCK(Boolean.FALSE), AUTO(null);
private Boolean styleBoolean;
private FlowStyle(Boolean flowStyle) {
styleBoolean = flowStyle;
}
/*
* Convenience for legacy constructors that took {@link Boolean} arguments since replaced by {@link FlowStyle}.
* Introduced in v1.22 but only to support that for backwards compatibility.
* @deprecated Since restored in v1.22. Use the {@link FlowStyle} constants in your code instead.
*/
@Deprecated
public static FlowStyle fromBoolean(Boolean flowStyle) {
return flowStyle==null ? AUTO
: flowStyle ? FLOW
: BLOCK;
}
public Boolean getStyleBoolean() {
return styleBoolean;
}
@Override
public String toString() {
return "Flow style: '" + styleBoolean + "'";
}
}
/**
* Platform dependent line break.
*/
public enum LineBreak {
WIN("\r\n"), MAC("\r"), UNIX("\n");
private String lineBreak;
private LineBreak(String lineBreak) {
this.lineBreak = lineBreak;
}
public String getString() {
return lineBreak;
}
@Override
public String toString() {
return "Line break: " + name();
}
public static LineBreak getPlatformLineBreak() {
String platformLineBreak = System.getProperty("line.separator");
for (LineBreak lb : values()) {
if (lb.lineBreak.equals(platformLineBreak)) {
return lb;
}
}
return LineBreak.UNIX;
}
}
/**
* Specification version. Currently supported 1.0 and 1.1
*/
public enum Version {
V1_0(new Integer[] { 1, 0 }), V1_1(new Integer[] { 1, 1 });
private Integer[] version;
private Version(Integer[] version) {
this.version = version;
}
public int major() { return version[0]; }
public int minor() { return version[1]; }
public String getRepresentation() {
return version[0] + "." + version[1];
}
@Override
public String toString() {
return "Version: " + getRepresentation();
}
}
private ScalarStyle defaultStyle = ScalarStyle.PLAIN;
private FlowStyle defaultFlowStyle = FlowStyle.AUTO;
private boolean canonical = false;
private boolean allowUnicode = true;
private boolean allowReadOnlyProperties = false;
private int indent = 2;
private int indicatorIndent = 0;
private int bestWidth = 80;
private boolean splitLines = true;
private LineBreak lineBreak = LineBreak.UNIX;
private boolean explicitStart = false;
private boolean explicitEnd = false;
private TimeZone timeZone = null;
private Version version = null;
private Map tags = null;
private Boolean prettyFlow = false;
private AnchorGenerator anchorGenerator = new NumberAnchorGenerator(0);
public boolean isAllowUnicode() {
return allowUnicode;
}
/**
* Specify whether to emit non-ASCII printable Unicode characters.
* The default value is true.
* When set to false then printable non-ASCII characters (Cyrillic, Chinese etc)
* will be not printed but escaped (to support ASCII terminals)
*
* @param allowUnicode
* if allowUnicode is false then all non-ASCII characters are
* escaped
*/
public void setAllowUnicode(boolean allowUnicode) {
this.allowUnicode = allowUnicode;
}
public ScalarStyle getDefaultScalarStyle() {
return defaultStyle;
}
/**
* Set default style for scalars. See YAML 1.1 specification, 2.3 Scalars
* (http://yaml.org/spec/1.1/#id858081)
*
* @param defaultStyle
* set the style for all scalars
*/
public void setDefaultScalarStyle(ScalarStyle defaultStyle) {
if (defaultStyle == null) {
throw new NullPointerException("Use ScalarStyle enum.");
}
this.defaultStyle = defaultStyle;
}
public void setIndent(int indent) {
if (indent < Emitter.MIN_INDENT) {
throw new YAMLException("Indent must be at least " + Emitter.MIN_INDENT);
}
if (indent > Emitter.MAX_INDENT) {
throw new YAMLException("Indent must be at most " + Emitter.MAX_INDENT);
}
this.indent = indent;
}
public int getIndent() {
return this.indent;
}
public void setIndicatorIndent(int indicatorIndent) {
if (indicatorIndent < 0) {
throw new YAMLException("Indicator indent must be non-negative.");
}
if (indicatorIndent > Emitter.MAX_INDENT - 1) {
throw new YAMLException("Indicator indent must be at most Emitter.MAX_INDENT-1: " + (Emitter.MAX_INDENT - 1));
}
this.indicatorIndent = indicatorIndent;
}
public int getIndicatorIndent() {
return this.indicatorIndent;
}
public void setVersion(Version version) {
this.version = version;
}
public Version getVersion() {
return this.version;
}
/**
* Force the emitter to produce a canonical YAML document.
*
* @param canonical
* true produce canonical YAML document
*/
public void setCanonical(boolean canonical) {
this.canonical = canonical;
}
public boolean isCanonical() {
return this.canonical;
}
/**
* Force the emitter to produce a pretty YAML document when using the flow
* style.
*
* @param prettyFlow
* true produce pretty flow YAML document
*/
public void setPrettyFlow(boolean prettyFlow) {
this.prettyFlow = prettyFlow;
}
public boolean isPrettyFlow() {
return this.prettyFlow;
}
/**
* Specify the preferred width to emit scalars. When the scalar
* representation takes more then the preferred with the scalar will be
* split into a few lines. The default is 80.
*
* @param bestWidth
* the preferred width for scalars.
*/
public void setWidth(int bestWidth) {
this.bestWidth = bestWidth;
}
public int getWidth() {
return this.bestWidth;
}
/**
* Specify whether to split lines exceeding preferred width for
* scalars. The default is true.
*
* @param splitLines
* whether to split lines exceeding preferred width for scalars.
*/
public void setSplitLines(boolean splitLines) {
this.splitLines = splitLines;
}
public boolean getSplitLines() {
return this.splitLines;
}
public LineBreak getLineBreak() {
return lineBreak;
}
public void setDefaultFlowStyle(FlowStyle defaultFlowStyle) {
if (defaultFlowStyle == null) {
throw new NullPointerException("Use FlowStyle enum.");
}
this.defaultFlowStyle = defaultFlowStyle;
}
public FlowStyle getDefaultFlowStyle() {
return defaultFlowStyle;
}
/**
* Specify the line break to separate the lines. It is platform specific:
* Windows - "\r\n", old MacOS - "\r", Unix - "\n". The default value is the
* one for Unix.
* @param lineBreak to be used for the input
*/
public void setLineBreak(LineBreak lineBreak) {
if (lineBreak == null) {
throw new NullPointerException("Specify line break.");
}
this.lineBreak = lineBreak;
}
public boolean isExplicitStart() {
return explicitStart;
}
public void setExplicitStart(boolean explicitStart) {
this.explicitStart = explicitStart;
}
public boolean isExplicitEnd() {
return explicitEnd;
}
public void setExplicitEnd(boolean explicitEnd) {
this.explicitEnd = explicitEnd;
}
public Map getTags() {
return tags;
}
public void setTags(Map tags) {
this.tags = tags;
}
/**
* Report whether read-only JavaBean properties (the ones without setters)
* should be included in the YAML document
*
* @return false when read-only JavaBean properties are not emitted
*/
public boolean isAllowReadOnlyProperties() {
return allowReadOnlyProperties;
}
/**
* Set to true to include read-only JavaBean properties (the ones without
* setters) in the YAML document. By default these properties are not
* included to be able to parse later the same JavaBean.
*
* @param allowReadOnlyProperties
* - true to dump read-only JavaBean properties
*/
public void setAllowReadOnlyProperties(boolean allowReadOnlyProperties) {
this.allowReadOnlyProperties = allowReadOnlyProperties;
}
public TimeZone getTimeZone() {
return timeZone;
}
/**
* Set the timezone to be used for Date. If set to null UTC is
* used.
* @param timeZone for created Dates or null to use UTC
*/
public void setTimeZone(TimeZone timeZone) {
this.timeZone = timeZone;
}
public AnchorGenerator getAnchorGenerator() {
return anchorGenerator;
}
public void setAnchorGenerator(AnchorGenerator anchorGenerator) {
this.anchorGenerator = anchorGenerator;
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy