dragon.onlinedb.pubmed

Class PubMedQuery

java.lang.Object

dragon.onlinedb.AbstractQuery

dragon.onlinedb.pubmed.PubMedQuery

All Implemented Interfaces:

ArticleQuery, CollectionReader

public class PubMedQuery
extends AbstractQuery

PubMed article query

Copyright: Copyright (c) 2003

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Field Summary

Fields

Modifier and Type	Field and Description
protected String[]	arrPaper
protected String	database
protected String	eFetchUrl
protected String	endDate
protected String	eSearchUrl
protected HttpUtil	http
protected String	queryKey
protected String	server
protected String	startDate
protected String	term
protected String	webEnv

Fields inherited from class dragon.onlinedb.AbstractQuery

articleNum, curArticle, curArticleNo, curPageNo, curPageWidth, pageNum, pageWidth, parser

Constructor Summary

Constructors

Constructor and Description
PubMedQuery(int pageWidth)
PubMedQuery(String term, int pageWidth)

Method Summary

Modifier and Type	Method and Description
protected Article	getArticle(int articleNo)
Article	getArticleByKey(String PMID) Reads out the article according to its key
boolean	initQuery() One should call this method before retrieval articles.
static void	main(String[] args)
boolean	moveToPage(int pageNo) Move to the given page and the pointer is set on the first article of the page.
void	setDateRange(String start, String end)
void	setSearchTerm(String term) Set the searching terms.
boolean	supportArticleKeyRetrieval() if the query supports this retrieval mode, one can get articles by calling getArticleByKey method.

Methods inherited from class dragon.onlinedb.AbstractQuery

close, getArticle, getArticleKey, getArticleParser, getCurPageNo, getCurPageWidth, getNextArticle, getPageNum, getPageWidth, getTotalArticleNum, loadCollection, moveToArticle, moveToNextArticle, moveToNextPage, restart, setArticleParser, size

Methods inherited from class java.lang.Object

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

Field Detail

http

protected HttpUtil http

webEnv

protected String webEnv

queryKey

protected String queryKey

database

protected String database

term

protected String term

eSearchUrl

protected String eSearchUrl

eFetchUrl

protected String eFetchUrl

server

protected String server

startDate

protected String startDate

endDate

protected String endDate

arrPaper

protected String[] arrPaper

Constructor Detail

PubMedQuery

public PubMedQuery(String term,
                   int pageWidth)

PubMedQuery

public PubMedQuery(int pageWidth)

Method Detail

main

public static void main(String[] args)

supportArticleKeyRetrieval

public boolean supportArticleKeyRetrieval()

Description copied from interface: CollectionReader

if the query supports this retrieval mode, one can get articles by calling getArticleByKey method.

Returns:

true if the query support the article retrieval by key.

setSearchTerm

public void setSearchTerm(String term)

Description copied from interface: ArticleQuery

Set the searching terms. How to interpret the terms specified in the string is subject to the implementations.

setDateRange

public void setDateRange(String start,
                         String end)

initQuery

public boolean initQuery()

Description copied from interface: ArticleQuery

One should call this method before retrieval articles. After initialization, number of pages and number of papers are available.

Returns:

a boolean value to indicate the operation is successful or failed.

moveToPage

public boolean moveToPage(int pageNo)

Description copied from interface: ArticleQuery

Move to the given page and the pointer is set on the first article of the page.

Parameters:

pageNo - the page #

Returns:

true if the given page exists.

getArticleByKey

public Article getArticleByKey(String PMID)

Description copied from interface: CollectionReader

Reads out the article according to its key

Parameters:

PMID - the unique entry number of the article

Returns:

an article if exists

getArticle

protected Article getArticle(int articleNo)

Specified by:

getArticle in class AbstractQuery