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Liferay Portal Tools REST Builder
/**
* Copyright (c) 2008, SnakeYAML
*
* 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;
/**
* Configuration for serialisation
*/
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 scalar
*/
DOUBLE_QUOTED('"'),
/**
* Single quoted scalar
*/
SINGLE_QUOTED('\''),
/**
* Literal scalar
*/
LITERAL('|'),
/**
* Folded scalar
*/
FOLDED('>'),
/**
* Plain scalar
*/
PLAIN(null);
private final Character styleChar;
ScalarStyle(Character style) {
this.styleChar = style;
}
/**
* getter
*
* @return the char behind the style
*/
public Character getChar() {
return styleChar;
}
/**
* Readable style
*
* @return for humans
*/
@Override
public String toString() {
return "Scalar style: '" + styleChar + "'";
}
/**
* Create
*
* @param style - source char
* @return parsed style
*/
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 style
*/
FLOW(Boolean.TRUE),
/**
* Block style
*/
BLOCK(Boolean.FALSE),
/**
* Auto (first block, than flow)
*/
AUTO(null);
private final Boolean styleBoolean;
FlowStyle(Boolean flowStyle) {
styleBoolean = flowStyle;
}
@Override
public String toString() {
return "Flow style: '" + styleBoolean + "'";
}
}
/**
* Platform dependent line break.
*/
public enum LineBreak {
/**
* Windows
*/
WIN("\r\n"),
/**
* Old Mac (should not be used !)
*/
MAC("\r"),
/**
* Linux and Mac
*/
UNIX("\n");
private final String lineBreak;
/**
* Create
*
* @param lineBreak - break
*/
LineBreak(String lineBreak) {
this.lineBreak = lineBreak;
}
/**
* getter
*
* @return the break
*/
public String getString() {
return lineBreak;
}
/**
* for humans
*
* @return representation
*/
@Override
public String toString() {
return "Line break: " + name();
}
/**
* Get the line break used by the current Operating System
*
* @return detected line break
*/
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 {
/**
* 1.0
*/
V1_0(new Integer[] {1, 0}),
/**
* 1.1
*/
V1_1(new Integer[] {1, 1});
private final Integer[] version;
/**
* Create
*
* @param version - definition
*/
Version(Integer[] version) {
this.version = version;
}
/**
* getter
*
* @return major part (always 1)
*/
public int major() {
return version[0];
}
/**
* Minor part (0 or 1)
*
* @return 0 or 1
*/
public int minor() {
return version[1];
}
/**
* getter
*
* @return representation for serialisation
*/
public String getRepresentation() {
return version[0] + "." + version[1];
}
/**
* Readable string
*
* @return for humans
*/
@Override
public String toString() {
return "Version: " + getRepresentation();
}
}
/**
* the way to serialize non-printable
*/
public enum NonPrintableStyle {
/**
* Transform String to binary if it contains non-printable characters
*/
BINARY,
/**
* Escape non-printable characters
*/
ESCAPE
}
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 boolean indentWithIndicator = false;
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 int maxSimpleKeyLength = 128;
private boolean processComments = false;
private NonPrintableStyle nonPrintableStyle = NonPrintableStyle.BINARY;
private Version version = null;
private Map tags = null;
private Boolean prettyFlow = false;
private AnchorGenerator anchorGenerator = new NumberAnchorGenerator(0);
/**
* getter
*
* @return false when non-ASCII is escaped
*/
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;
}
/**
* getter
*
* @return scalar style
*/
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;
}
/**
* Define indentation. Must be within the limits (1-10)
*
* @param indent number of spaces to serve as indentation
*/
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;
}
/**
* getter
*
* @return indent
*/
public int getIndent() {
return this.indent;
}
/**
* Set number of white spaces to use for the sequence indicator '-'
*
* @param indicatorIndent value to be used as 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 boolean getIndentWithIndicator() {
return indentWithIndicator;
}
/**
* Set to true to add the indent for sequences to the general indent
*
* @param indentWithIndicator - true when indent for sequences is added to general
*/
public void setIndentWithIndicator(boolean indentWithIndicator) {
this.indentWithIndicator = indentWithIndicator;
}
/**
* Of no use - it is better not to include YAML version as the directive
*
* @param version 1.0 or 1.1
*/
public void setVersion(Version version) {
this.version = version;
}
/**
* getter
*
* @return the expected 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;
}
/**
* getter
*
* @return true when well established format should be dumped
*/
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;
}
/**
* getter
*
* @return true for pretty style
*/
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;
}
/**
* getter
*
* @return the preferred width for scalars
*/
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;
}
/**
* getter
*
* @return true when to split lines exceeding preferred width for scalars
*/
public boolean getSplitLines() {
return this.splitLines;
}
/**
* getter
*
* @return line break to separate lines
*/
public LineBreak getLineBreak() {
return lineBreak;
}
/**
* setter
*
* @param defaultFlowStyle - enum for the flow style
*/
public void setDefaultFlowStyle(FlowStyle defaultFlowStyle) {
if (defaultFlowStyle == null) {
throw new NullPointerException("Use FlowStyle enum.");
}
this.defaultFlowStyle = defaultFlowStyle;
}
/**
* getter
*
* @return flow style for collections
*/
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;
}
/**
* getter
*
* @return true when '---' must be printed
*/
public boolean isExplicitStart() {
return explicitStart;
}
/**
* setter - require explicit '...'
*
* @param explicitStart - true to emit '---'
*/
public void setExplicitStart(boolean explicitStart) {
this.explicitStart = explicitStart;
}
/**
* getter
*
* @return true when '...' must be printed
*/
public boolean isExplicitEnd() {
return explicitEnd;
}
/**
* setter - require explicit '...'
*
* @param explicitEnd - true to emit '...'
*/
public void setExplicitEnd(boolean explicitEnd) {
this.explicitEnd = explicitEnd;
}
/**
* getter
*
* @return previously defined tag directives
*/
public Map getTags() {
return tags;
}
/**
* setter
*
* @param tags - tag directives for the YAML document
*/
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;
}
/**
* getter
*
* @return timezone to be used to emit Date
*/
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;
}
/**
* getter
*
* @return generator to create anchor names
*/
public AnchorGenerator getAnchorGenerator() {
return anchorGenerator;
}
/**
* Provide a custom generator
*
* @param anchorGenerator - the way to create custom anchors
*/
public void setAnchorGenerator(AnchorGenerator anchorGenerator) {
this.anchorGenerator = anchorGenerator;
}
public int getMaxSimpleKeyLength() {
return maxSimpleKeyLength;
}
/**
* Define max key length to use simple key (without '?') More info
* https://yaml.org/spec/1.1/#id934537
*
* @param maxSimpleKeyLength - the limit after which the key gets explicit key indicator '?'
*/
public void setMaxSimpleKeyLength(int maxSimpleKeyLength) {
if (maxSimpleKeyLength > 1024) {
throw new YAMLException(
"The simple key must not span more than 1024 stream characters. See https://yaml.org/spec/1.1/#id934537");
}
this.maxSimpleKeyLength = maxSimpleKeyLength;
}
/**
* Set the comment processing. By default, comments are ignored.
*
* @param processComments true to process; false to ignore
*/
public void setProcessComments(boolean processComments) {
this.processComments = processComments;
}
/**
* getter
*
* @return true when comments are not ignored and can be used after composing a Node
*/
public boolean isProcessComments() {
return processComments;
}
public NonPrintableStyle getNonPrintableStyle() {
return this.nonPrintableStyle;
}
/**
* When String contains non-printable characters SnakeYAML convert it to binary data with the
* !!binary tag. Set this to ESCAPE to keep the !!str tag and escape the non-printable chars with
* \\x or \\u
*
* @param style ESCAPE to force SnakeYAML to keep !!str tag for non-printable data
*/
public void setNonPrintableStyle(NonPrintableStyle style) {
this.nonPrintableStyle = style;
}
}
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