es.gob.fnmt.net.tool

Class HTMLParser

java.lang.Object

es.gob.fnmt.net.tool.HTMLParser

public class HTMLParser
extends java.lang.Object

Simple HTML parser.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DEFAULT_ATTR_LINK_TAG

Constructor Summary

Constructors

Constructor and Description
HTMLParser(android.content.Context context) Constructor.
HTMLParser(java.lang.String document, android.content.Context context) Constructor.

Method Summary

Modifier and Type	Method and Description
void	filterByTag(java.lang.String tag) Keep only the content that is under the selected tag.
java.lang.String	getContent() Get the html document as a string.
org.jsoup.nodes.Element	getDocument() Return the document as an org.jsoup.nodes.Element instance.
java.lang.String	getURLbyText(java.lang.String text) Recover the URL in the 'href' attribute, matching the passed text.
java.lang.String	getURLbyText(java.lang.String text, java.lang.String attribute) Recover the URL attribute matching the passed text.
void	removeLinks() Delete all the links (tag 'a') from the document.
void	setBaseDocument(java.io.InputStream htmlBase, java.lang.String charsetName, java.lang.String baseUri) Injects the document element into the base document.
void	setContent(java.io.InputStream is) Reset the content of the document.
void	setContent(java.lang.String document) Reset the content of the document.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_ATTR_LINK_TAG

public static final java.lang.String DEFAULT_ATTR_LINK_TAG

See Also:

Constant Field Values

Constructor Detail

HTMLParser

public HTMLParser(android.content.Context context)

Constructor.

Parameters:

context - The application context.

Throws:

java.lang.IllegalArgumentException - if context is null.

HTMLParser

public HTMLParser(java.lang.String document,
                  android.content.Context context)

Constructor.

Parameters:

document - html content to manipulate.

context - The application context.

Throws:

java.lang.IllegalArgumentException - if context is null.

Method Detail

filterByTag

public void filterByTag(java.lang.String tag)
                 throws java.lang.Exception

Keep only the content that is under the selected tag.

Parameters:

tag - selected tag.

Throws:

java.lang.IllegalArgumentException - if text or @code attribute is null.

java.lang.NoSuchFieldException

java.lang.Exception

getContent

public java.lang.String getContent()

Get the html document as a string.

Returns:

html content as a string.

getDocument

public org.jsoup.nodes.Element getDocument()

Return the document as an org.jsoup.nodes.Element instance.

Returns:

the document.

getURLbyText

public java.lang.String getURLbyText(java.lang.String text)
                              throws java.lang.Exception

Recover the URL in the 'href' attribute, matching the passed text.

Parameters:

text - where to search the URL.

Returns:

URL found.

Throws:

java.lang.Exception

getURLbyText

public java.lang.String getURLbyText(java.lang.String text,
                                     java.lang.String attribute)
                              throws java.lang.Exception

Recover the URL attribute matching the passed text.

Parameters:

text - where to search the URL.

attribute - attribute that owns the URL ('href' in most of cases).

Returns:

URL found

Throws:

java.lang.IllegalArgumentException - if text or @code attribute is null.

java.lang.NoSuchFieldException

java.lang.Exception

removeLinks

public void removeLinks()

Delete all the links (tag 'a') from the document.

setBaseDocument

public void setBaseDocument(java.io.InputStream htmlBase,
                            java.lang.String charsetName,
                            java.lang.String baseUri)
                     throws java.lang.Exception

Injects the document element into the base document.

Parameters:

htmlBase - base html document (it must have basic html structure (html/body).

charsetName - charset to use, for example 'UTF-8'.

baseUri - URI of the base document.

Throws:

java.lang.IllegalArgumentException - if htmlBase or @code baseUri is null.

java.lang.Exception

setContent

public void setContent(java.io.InputStream is)
                throws java.io.IOException

Reset the content of the document.

Parameters:

is -

Throws:

java.io.IOException

setContent

public void setContent(java.lang.String document)

Reset the content of the document.

Parameters:

document - The HTML document to parse.

Throws:

java.lang.IllegalArgumentException - if document is null.