How to implement react-pdf with print function

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I would like to use react-pdf to display the PDF and develop a printing function for direct printing (like using window.print());



The REST server is developed using Jersey.



The PDF will generate from server and return to React client using Jersey with return type is application/pdf. React client will display the PDF using react-pdf.



I don't want to declare the URL path in "file" because this will retrieve the PDF from server again if the React state changed and triggered re-render. Also, I need to develop a print function to print the PDF displayed (Because the PDF content may change if retrieve the PDF again from server)



Below show my code:



Server:



@Override
@GET
@Path("/pdf")
@Produces(MediaType.APPLICATION_PDF_VALUE)
public Response testPdf() throws Exception {

File file = new File("C:\Desktop\test.pdf");
FileInputStream fileInputStream = new FileInputStream(file);

ResponseBuilder response = Response.ok((Object) fileInputStream);
response.type("application/pdf");
response.header("Content-Disposition", "filename=test.pdf");

return response.build();
}


Client



import React, { Component } from 'react';
import { Document, Page } from 'react-pdf';
import axios from 'axios';

class MyApp extends Component {
state = {
numPages: null,
pageNumber: 1,
pdfContent: null
}

componentDidMount(){
var that = this;

axio.get("urlPdf).then((response) => {
that.setState({pdfContent:response.data});
}).catch((error) => {
console.warn(error);
});
}

onDocumentLoadSuccess = ({ numPages }) => {
this.setState({ numPages });
}

printHandler(){
window.print();
}

render() {
const { pageNumber, numPages } = this.state;

return (
<div>
<Document
file={this.state.pdfContent}
onLoadSuccess={this.onDocumentLoadSuccess}
>
<Page pageNumber={pageNumber} />
</Document>
<p>Page {pageNumber} of {numPages}</p>

<button onClick={() => this.setState(prevState => ({
pageNumber: prevState.pageNumber + 1 }))}>Next page</button>
<button onClick={() => this.setState(prevState => ({
pageNumber: prevState.pageNumber - 1 }))}>Prev Page</button>

<button onClick={this.printHandler}/>
</div>
);


}
}



I want to get the PDF only one time and display the PDF using react-pdf. Also, I want to print the displayed PDF.



I tried to convert the response.data to base64 followed this line because not success: (this will lose the pdf content)
Encode PDF to base64 in ReactJS



Code like:



  componentDidMount(){
var that = this;

axio.get("urlPdf).then((response) => {
let reader = new FileReader();
var file = new Blob([response.data], { type: 'application/pdf' });

reader.onloadend = () => {
that.setState({
base64Pdf:reader.result
});
}
reader.readAsDataURL(file);
}).catch((error) => {
console.warn(error);
});
}


Anyone can give me some suggestion?
Or any better way to reach my goal?



Thanks










share|improve this question

























  • What have you tried so far?

    – Mikkel
    Dec 30 '18 at 12:36











  • @Mikkel I have tried FileReader to convent response to base64. However, still not success(maybe I am not familiar on this...) I have updated some codes to my post.

    – leonlai
    Dec 30 '18 at 12:45


















0















I would like to use react-pdf to display the PDF and develop a printing function for direct printing (like using window.print());



The REST server is developed using Jersey.



The PDF will generate from server and return to React client using Jersey with return type is application/pdf. React client will display the PDF using react-pdf.



I don't want to declare the URL path in "file" because this will retrieve the PDF from server again if the React state changed and triggered re-render. Also, I need to develop a print function to print the PDF displayed (Because the PDF content may change if retrieve the PDF again from server)



Below show my code:



Server:



@Override
@GET
@Path("/pdf")
@Produces(MediaType.APPLICATION_PDF_VALUE)
public Response testPdf() throws Exception {

File file = new File("C:\Desktop\test.pdf");
FileInputStream fileInputStream = new FileInputStream(file);

ResponseBuilder response = Response.ok((Object) fileInputStream);
response.type("application/pdf");
response.header("Content-Disposition", "filename=test.pdf");

return response.build();
}


Client



import React, { Component } from 'react';
import { Document, Page } from 'react-pdf';
import axios from 'axios';

class MyApp extends Component {
state = {
numPages: null,
pageNumber: 1,
pdfContent: null
}

componentDidMount(){
var that = this;

axio.get("urlPdf).then((response) => {
that.setState({pdfContent:response.data});
}).catch((error) => {
console.warn(error);
});
}

onDocumentLoadSuccess = ({ numPages }) => {
this.setState({ numPages });
}

printHandler(){
window.print();
}

render() {
const { pageNumber, numPages } = this.state;

return (
<div>
<Document
file={this.state.pdfContent}
onLoadSuccess={this.onDocumentLoadSuccess}
>
<Page pageNumber={pageNumber} />
</Document>
<p>Page {pageNumber} of {numPages}</p>

<button onClick={() => this.setState(prevState => ({
pageNumber: prevState.pageNumber + 1 }))}>Next page</button>
<button onClick={() => this.setState(prevState => ({
pageNumber: prevState.pageNumber - 1 }))}>Prev Page</button>

<button onClick={this.printHandler}/>
</div>
);


}
}



I want to get the PDF only one time and display the PDF using react-pdf. Also, I want to print the displayed PDF.



I tried to convert the response.data to base64 followed this line because not success: (this will lose the pdf content)
Encode PDF to base64 in ReactJS



Code like:



  componentDidMount(){
var that = this;

axio.get("urlPdf).then((response) => {
let reader = new FileReader();
var file = new Blob([response.data], { type: 'application/pdf' });

reader.onloadend = () => {
that.setState({
base64Pdf:reader.result
});
}
reader.readAsDataURL(file);
}).catch((error) => {
console.warn(error);
});
}


Anyone can give me some suggestion?
Or any better way to reach my goal?



Thanks










share|improve this question

























  • What have you tried so far?

    – Mikkel
    Dec 30 '18 at 12:36











  • @Mikkel I have tried FileReader to convent response to base64. However, still not success(maybe I am not familiar on this...) I have updated some codes to my post.

    – leonlai
    Dec 30 '18 at 12:45
















0












0








0








I would like to use react-pdf to display the PDF and develop a printing function for direct printing (like using window.print());



The REST server is developed using Jersey.



The PDF will generate from server and return to React client using Jersey with return type is application/pdf. React client will display the PDF using react-pdf.



I don't want to declare the URL path in "file" because this will retrieve the PDF from server again if the React state changed and triggered re-render. Also, I need to develop a print function to print the PDF displayed (Because the PDF content may change if retrieve the PDF again from server)



Below show my code:



Server:



@Override
@GET
@Path("/pdf")
@Produces(MediaType.APPLICATION_PDF_VALUE)
public Response testPdf() throws Exception {

File file = new File("C:\Desktop\test.pdf");
FileInputStream fileInputStream = new FileInputStream(file);

ResponseBuilder response = Response.ok((Object) fileInputStream);
response.type("application/pdf");
response.header("Content-Disposition", "filename=test.pdf");

return response.build();
}


Client



import React, { Component } from 'react';
import { Document, Page } from 'react-pdf';
import axios from 'axios';

class MyApp extends Component {
state = {
numPages: null,
pageNumber: 1,
pdfContent: null
}

componentDidMount(){
var that = this;

axio.get("urlPdf).then((response) => {
that.setState({pdfContent:response.data});
}).catch((error) => {
console.warn(error);
});
}

onDocumentLoadSuccess = ({ numPages }) => {
this.setState({ numPages });
}

printHandler(){
window.print();
}

render() {
const { pageNumber, numPages } = this.state;

return (
<div>
<Document
file={this.state.pdfContent}
onLoadSuccess={this.onDocumentLoadSuccess}
>
<Page pageNumber={pageNumber} />
</Document>
<p>Page {pageNumber} of {numPages}</p>

<button onClick={() => this.setState(prevState => ({
pageNumber: prevState.pageNumber + 1 }))}>Next page</button>
<button onClick={() => this.setState(prevState => ({
pageNumber: prevState.pageNumber - 1 }))}>Prev Page</button>

<button onClick={this.printHandler}/>
</div>
);


}
}



I want to get the PDF only one time and display the PDF using react-pdf. Also, I want to print the displayed PDF.



I tried to convert the response.data to base64 followed this line because not success: (this will lose the pdf content)
Encode PDF to base64 in ReactJS



Code like:



  componentDidMount(){
var that = this;

axio.get("urlPdf).then((response) => {
let reader = new FileReader();
var file = new Blob([response.data], { type: 'application/pdf' });

reader.onloadend = () => {
that.setState({
base64Pdf:reader.result
});
}
reader.readAsDataURL(file);
}).catch((error) => {
console.warn(error);
});
}


Anyone can give me some suggestion?
Or any better way to reach my goal?



Thanks










share|improve this question
















I would like to use react-pdf to display the PDF and develop a printing function for direct printing (like using window.print());



The REST server is developed using Jersey.



The PDF will generate from server and return to React client using Jersey with return type is application/pdf. React client will display the PDF using react-pdf.



I don't want to declare the URL path in "file" because this will retrieve the PDF from server again if the React state changed and triggered re-render. Also, I need to develop a print function to print the PDF displayed (Because the PDF content may change if retrieve the PDF again from server)



Below show my code:



Server:



@Override
@GET
@Path("/pdf")
@Produces(MediaType.APPLICATION_PDF_VALUE)
public Response testPdf() throws Exception {

File file = new File("C:\Desktop\test.pdf");
FileInputStream fileInputStream = new FileInputStream(file);

ResponseBuilder response = Response.ok((Object) fileInputStream);
response.type("application/pdf");
response.header("Content-Disposition", "filename=test.pdf");

return response.build();
}


Client



import React, { Component } from 'react';
import { Document, Page } from 'react-pdf';
import axios from 'axios';

class MyApp extends Component {
state = {
numPages: null,
pageNumber: 1,
pdfContent: null
}

componentDidMount(){
var that = this;

axio.get("urlPdf).then((response) => {
that.setState({pdfContent:response.data});
}).catch((error) => {
console.warn(error);
});
}

onDocumentLoadSuccess = ({ numPages }) => {
this.setState({ numPages });
}

printHandler(){
window.print();
}

render() {
const { pageNumber, numPages } = this.state;

return (
<div>
<Document
file={this.state.pdfContent}
onLoadSuccess={this.onDocumentLoadSuccess}
>
<Page pageNumber={pageNumber} />
</Document>
<p>Page {pageNumber} of {numPages}</p>

<button onClick={() => this.setState(prevState => ({
pageNumber: prevState.pageNumber + 1 }))}>Next page</button>
<button onClick={() => this.setState(prevState => ({
pageNumber: prevState.pageNumber - 1 }))}>Prev Page</button>

<button onClick={this.printHandler}/>
</div>
);


}
}



I want to get the PDF only one time and display the PDF using react-pdf. Also, I want to print the displayed PDF.



I tried to convert the response.data to base64 followed this line because not success: (this will lose the pdf content)
Encode PDF to base64 in ReactJS



Code like:



  componentDidMount(){
var that = this;

axio.get("urlPdf).then((response) => {
let reader = new FileReader();
var file = new Blob([response.data], { type: 'application/pdf' });

reader.onloadend = () => {
that.setState({
base64Pdf:reader.result
});
}
reader.readAsDataURL(file);
}).catch((error) => {
console.warn(error);
});
}


Anyone can give me some suggestion?
Or any better way to reach my goal?



Thanks







reactjs pdf jersey state react-pdf






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Dec 30 '18 at 13:32







leonlai

















asked Dec 30 '18 at 12:15









leonlaileonlai

407




407













  • What have you tried so far?

    – Mikkel
    Dec 30 '18 at 12:36











  • @Mikkel I have tried FileReader to convent response to base64. However, still not success(maybe I am not familiar on this...) I have updated some codes to my post.

    – leonlai
    Dec 30 '18 at 12:45





















  • What have you tried so far?

    – Mikkel
    Dec 30 '18 at 12:36











  • @Mikkel I have tried FileReader to convent response to base64. However, still not success(maybe I am not familiar on this...) I have updated some codes to my post.

    – leonlai
    Dec 30 '18 at 12:45



















What have you tried so far?

– Mikkel
Dec 30 '18 at 12:36





What have you tried so far?

– Mikkel
Dec 30 '18 at 12:36













@Mikkel I have tried FileReader to convent response to base64. However, still not success(maybe I am not familiar on this...) I have updated some codes to my post.

– leonlai
Dec 30 '18 at 12:45







@Mikkel I have tried FileReader to convent response to base64. However, still not success(maybe I am not familiar on this...) I have updated some codes to my post.

– leonlai
Dec 30 '18 at 12:45














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