HtmlToText Java Reference Documentation

CkHtmlToText

Current Version: 10.1.2

HTML to plain-text conversion component. The internal conversion process is much more sophisticated than can be accomplished with the simple regular-expression freeware codes found in the Internet. This is more than simply removing HTML tags from an HTML document.

Object Creation

CkHtmlToText obj = new CkHtmlToText();

Properties

DebugLogFilePath
void get_DebugLogFilePath(CkString str);
String debugLogFilePath();
void put_DebugLogFilePath(String newVal);

If set to a file path, this property logs the LastErrorText of each Chilkat method or property call to the specified file. This logging helps identify the context and history of Chilkat calls leading up to any crash or hang, aiding in debugging.

Enabling the VerboseLogging property provides more detailed information. This property is mainly used for debugging rare instances where a Chilkat method call causes a hang or crash, which should generally not happen.

Possible causes of hangs include:

  • A timeout property set to 0, indicating an infinite timeout.
  • A hang occurring within an event callback in the application code.
  • An internal bug in the Chilkat code causing the hang.

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DecodeHtmlEntities
boolean get_DecodeHtmlEntities();
void put_DecodeHtmlEntities(boolean newVal);

If true, then HTML entities are automatically decoded. For example & is automatically decoded to &. If this property is set to false, then HTML entities are not decoded. The default value is true.

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LastErrorHtml
void get_LastErrorHtml(CkString str);
String lastErrorHtml();

Provides HTML-formatted information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

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LastErrorText
void get_LastErrorText(CkString str);
String lastErrorText();

Provides plain text information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

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LastErrorXml
void get_LastErrorXml(CkString str);
String lastErrorXml();

Provides XML-formatted information about the last called method or property. If a method call fails or behaves unexpectedly, check this property for details. Note that information is available regardless of the method call's success.

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LastMethodSuccess
boolean get_LastMethodSuccess();
void put_LastMethodSuccess(boolean newVal);

Indicates the success or failure of the most recent method call: true means success, false means failure. This property remains unchanged by property setters or getters. This method is present to address challenges in checking for null or Nothing returns in certain programming languages.

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RightMargin
int get_RightMargin();
void put_RightMargin(int newVal);

Used to control wrapping of text. The default value is 80. When the text gets close to this margin, the converter will try to break the line at a SPACE character. Set this property to 0 for no right margin.

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SuppressLinks
boolean get_SuppressLinks();
void put_SuppressLinks(boolean newVal);

If false, then link URL's are preserved inline. For example, the following HTML fragment:

<p><p>Test <a href="https://www.chilkatsoft.com/">chilkat</a></p>
converts to:
Test chilkat <https://www.chilkatsoft.com/>
If this property is true, the above HTML would convert to:
Test chilkat
The default value of this property is true.

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VerboseLogging
boolean get_VerboseLogging();
void put_VerboseLogging(boolean newVal);

If set to true, then the contents of LastErrorText (or LastErrorXml, or LastErrorHtml) may contain more verbose information. The default value is false. Verbose logging should only be used for debugging. The potentially large quantity of logged information may adversely affect peformance.

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Version
void get_Version(CkString str);
String version();

Version of the component/library, such as "10.1.0"

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Methods

ReadFileToString
boolean ReadFileToString(String filename, String srcCharset, CkString outStr);
String readFileToString(String filename, String srcCharset);

Convenience method for reading a text file into a string. The character encoding of the text file is specified by srcCharset. Valid values, such as "iso-8895-1" or "utf-8" are listed at: List of Charsets.

Returns true for success, false for failure.

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ToText
boolean ToText(String html, CkString outStr);
String toText(String html);

Converts HTML to plain-text.

Returns true for success, false for failure.

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ToTextSb
boolean ToTextSb(CkStringBuilder sb);
Introduced in version 9.5.0.97

Converts the HTML in sb to plain-text.

Returns true for success, false for failure.

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WriteStringToFile
boolean WriteStringToFile(String stringToWrite, String filename, String charset);

Convenience method for saving a string to a file. The character encoding of the output text file is specified by charset (the string is converted to this charset when writing). Valid values, such as "iso-8895-1" or "utf-8" are listed at: List of Charsets.

Returns true for success, false for failure.

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