To build a URL for a string and add it to a list in Groovy, you can start by creating a new String variable that contains the base URL. You can then concatenate the String with the desired value to create the complete URL. Finally, you can add this URL to a list using the add() method.
Here is an example:
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def baseUrl = "http://www.example.com/" def stringValue = "example" def completeUrl = baseUrl + stringValue def urlList = [] urlList.add(completeUrl) |
In this example, the complete URL will be "http://www.example.com/example" and it will be added to the urlList.
How to remove duplicates from a list in Groovy?
You can remove duplicates from a list in Groovy using the unique() method. Here's an example:
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def list = [1, 2, 3, 1, 4, 3, 5] def uniqueList = list.unique() println uniqueList // Output: [1, 2, 3, 4, 5] |
In the above code, the unique() method is used to remove duplicates from the original list and store the unique elements in a new list called uniqueList
. Also, you can use the toSet()
method to remove duplicates from a list as shown below:
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def list = [1, 2, 3, 1, 4, 3, 5] def uniqueList = list as Set println uniqueList // Output: [1, 2, 3, 4, 5] |
Both methods will give you a list with unique elements only.
How to escape special characters in a URL string in Groovy?
In Groovy, you can escape special characters in a URL string by using the URLEncoder
class. Here's an example of how you can escape special characters in a URL string:
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import java.net.URLEncoder def urlString = "https://example.com/?query=hello world&name=John Doe" def escapedUrlString = URLEncoder.encode(urlString, "UTF-8") println escapedUrlString |
In the above example, the URLEncoder.encode()
method is used to escape special characters in the urlString
variable. The second argument "UTF-8" specifies the encoding to be used for escaping the characters. The escaped URL string will be printed to the console.
What is the process of building a query string for a URL in Groovy?
In Groovy, you can build a query string for a URL by using the URIBuilder
class from the org.apache.http.client.utils.URIBuilder
package. Here's an example of how you can build a query string for a URL in Groovy:
- Import the necessary package:
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import org.apache.http.client.utils.URIBuilder
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- Create a new instance of URIBuilder:
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def uriBuilder = new URIBuilder("https://example.com")
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- Add query parameters to the URI builder:
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uriBuilder.addParameter("param1", "value1") uriBuilder.addParameter("param2", "value2") |
- Get the final URL with the query string:
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def finalUrl = uriBuilder.build() println finalUrl.toString() |
This will output the final URL with the query string, for example:
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https://example.com?param1=value1¶m2=value2
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How to extract the path from a URL string in Groovy?
You can extract the path from a URL string in Groovy using the following code:
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def urlString = "https://www.example.com/path/to/resource" def url = new URL(urlString) def path = url.path println path |
In this code snippet, we first define the URL string that we want to extract the path from. We then create a new URL
object using the URL
class in Groovy. Finally, we access the path
property of the URL
object to extract the path from the URL string.
When you run this code, it will print out the path "/path/to/resource" from the URL string "https://www.example.com/path/to/resource".